Chore/rm main entity concept (#7709)

**What**
Update the `MedusaService` class, factory and types to remove the concept of main modules. The idea being that all method will be explicitly named and suffixes to represent the object you are trying to manipulate.
This pr also includes various fixes in different modules

Co-authored-by: Stevche Radevski <4820812+sradevski@users.noreply.github.com>
Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>

packages/modules/currency/integration-tests/__tests__/currency-module-service.spec.ts

@@ -1,19 +1,19 @@
 import { Modules } from "@medusajs/modules-sdk"
 import { ICurrencyModuleService } from "@medusajs/types"
-import { moduleIntegrationTestRunner, SuiteOptions } from "medusa-test-utils"
+import { moduleIntegrationTestRunner } from "medusa-test-utils"
 
 jest.setTimeout(100000)
 
-moduleIntegrationTestRunner({
+moduleIntegrationTestRunner<ICurrencyModuleService>({
   moduleName: Modules.CURRENCY,
-  testSuite: ({
-    MikroOrmWrapper,
-    service,
-  }: SuiteOptions<ICurrencyModuleService>) => {
+  testSuite: ({ service }) => {
     describe("Currency Module Service", () => {
       describe("list", () => {
         it("list currencies", async () => {
-          const currenciesResult = await service.list({}, { take: null })
+          const currenciesResult = await service.listCurrencies(
+            {},
+            { take: null }
+          )
           expect(currenciesResult).toEqual(
             expect.arrayContaining([
               expect.objectContaining({
@@ -31,7 +31,7 @@ moduleIntegrationTestRunner({
         })
 
         it("list currencies by code", async () => {
-          const currenciesResult = await service.list(
+          const currenciesResult = await service.listCurrencies(
             { code: ["usd"] },
             { take: null }
           )
@@ -45,7 +45,7 @@ moduleIntegrationTestRunner({
         })
 
         it("list currencies by code regardless of case-sensitivity", async () => {
-          const currenciesResult = await service.list(
+          const currenciesResult = await service.listCurrencies(
             { code: ["Usd"] },
             { take: null }
           )
@@ -59,12 +59,10 @@ moduleIntegrationTestRunner({
         })
       })
 
-      describe("listAndCount", () => {
+      describe("listAndCountCurrenciesCurrencies", () => {
         it("should return currencies and count", async () => {
-          const [currenciesResult, count] = await service.listAndCount(
-            {},
-            { take: null }
-          )
+          const [currenciesResult, count] =
+            await service.listAndCountCurrencies({}, { take: null })
 
           expect(count).toEqual(120)
           expect(currenciesResult).toEqual(
@@ -82,12 +80,13 @@ moduleIntegrationTestRunner({
         })
 
         it("should return currencies and count when filtered", async () => {
-          const [currenciesResult, count] = await service.listAndCount(
-            {
-              code: ["usd"],
-            },
-            { take: null }
-          )
+          const [currenciesResult, count] =
+            await service.listAndCountCurrencies(
+              {
+                code: ["usd"],
+              },
+              { take: null }
+            )
 
           expect(count).toEqual(1)
           expect(currenciesResult).toEqual([
@@ -99,10 +98,8 @@ moduleIntegrationTestRunner({
         })
 
         it("should return currencies and count when using skip and take", async () => {
-          const [currenciesResult, count] = await service.listAndCount(
-            {},
-            { skip: 5, take: 1 }
-          )
+          const [currenciesResult, count] =
+            await service.listAndCountCurrencies({}, { skip: 5, take: 1 })
 
           expect(count).toEqual(120)
           expect(currenciesResult).toEqual([
@@ -114,13 +111,14 @@ moduleIntegrationTestRunner({
         })
 
         it("should return requested fields", async () => {
-          const [currenciesResult, count] = await service.listAndCount(
-            {},
-            {
-              take: 1,
-              select: ["code", "rounding"],
-            }
-          )
+          const [currenciesResult, count] =
+            await service.listAndCountCurrencies(
+              {},
+              {
+                take: 1,
+                select: ["code", "rounding"],
+              }
+            )
 
           const serialized = JSON.parse(JSON.stringify(currenciesResult))
 
@@ -140,7 +138,7 @@ moduleIntegrationTestRunner({
         const name = "US Dollar"
 
         it("should return currency for the given code", async () => {
-          const currency = await service.retrieve(code)
+          const currency = await service.retrieveCurrency(code)
 
           expect(currency).toEqual(
             expect.objectContaining({
@@ -150,7 +148,7 @@ moduleIntegrationTestRunner({
         })
 
         it("should return currency for the given code in a case-insensitive manner", async () => {
-          const currency = await service.retrieve(code.toUpperCase())
+          const currency = await service.retrieveCurrency(code.toUpperCase())
 
           expect(currency).toEqual(
             expect.objectContaining({
@@ -163,7 +161,7 @@ moduleIntegrationTestRunner({
           let error
 
           try {
-            await service.retrieve("does-not-exist")
+            await service.retrieveCurrency("does-not-exist")
           } catch (e) {
             error = e
           }
@@ -177,7 +175,7 @@ moduleIntegrationTestRunner({
           let error
 
           try {
-            await service.retrieve(undefined as unknown as string)
+            await service.retrieveCurrency(undefined as unknown as string)
           } catch (e) {
             error = e
           }
@@ -186,7 +184,7 @@ moduleIntegrationTestRunner({
         })
 
         it("should return currency based on config select param", async () => {
-          const currency = await service.retrieve(code, {
+          const currency = await service.retrieveCurrency(code, {
             select: ["code", "name"],
           })