fix(utils, types, medusa-plugin-meilisearch, medusa-plugin-algolia): move SoftDeletableFilterKey, variantKeys, indexTypes from types to utils (#4623)

* chore: move SoftDeletableKey from types to utils

* chore: move variantkeys, indextypes

packages/utils/src/search/index-types.ts

@@ -0,0 +1,3 @@
+export const indexTypes = {
+  PRODUCTS: "products",
+}

packages/utils/src/search/index.ts

@@ -1,4 +1,6 @@
 export * from "./abstract-service"
 export * from "./is-search-service"
 export * from "./search-relations"
+export * from "./index-types"
+export * from "./variant-keys"
 

packages/utils/src/search/variant-keys.ts

@@ -0,0 +1,9 @@
+export const variantKeys = [
+  "sku",
+  "title",
+  "upc",
+  "ean",
+  "mid_code",
+  "hs_code",
+  "options",
+]