feat(workflows): Data aggregation (#4732)

* apply the aggregator automatically

* add comment

* apply aggregate

* improve pipe aggregation

* improve test cases

* improvements

* clean tests

* renameing to merge

* fix merge apply

* move merge apply

* cleanup cart workflow and end point

* fixes and naming

packages/workflows/src/handlers/common/index.ts

@@ -1,2 +1 @@
-export * from "./set-config"
 export * from "./set-context"

packages/workflows/src/handlers/common/set-config.ts

@@ -1,31 +0,0 @@
-import { WorkflowArguments } from "../../helper"
-
-type ConfigDTO = {
-  retrieveConfig?: {
-    select?: string[]
-    relations?: string[]
-  }
-}
-
-enum Aliases {
-  Config = "config",
-}
-
-type HandlerInputData = {
-  config: {
-    retrieveConfig?: {
-      select?: string[]
-      relations?: string[]
-    }
-  }
-}
-
-export async function setConfig({
-  data,
-}: WorkflowArguments<HandlerInputData>): Promise<ConfigDTO> {
-  return {
-    retrieveConfig: data[Aliases.Config].retrieveConfig,
-  }
-}
-
-setConfig.aliases = Aliases