fix(oas): fix OAS typos in AdminVariant (#3453)

packages/medusa/src/api/routes/admin/variants/get-variant.ts

@@ -9,8 +9,11 @@ import { FindParams } from "../../../../types/common"
  * x-authenticated: true
  * parameters:
  *   - (path) id=* {string} The ID of the variant.
+ *   - (query) expand {string} (Comma separated) Which fields should be expanded the order of the result.
+ *   - (query) fields {string} (Comma separated) Which fields should be included the order of the result.
  * x-codegen:
  *   method: retrieve
+ *   queryParams: AdminGetVariantParams
  * x-codeSamples:
  *   - lang: JavaScript
  *     label: JS Client
@@ -38,7 +41,7 @@ import { FindParams } from "../../../../types/common"
  *     content:
  *       application/json:
  *         schema:
- *           $ref: "#/components/schemas/AdminVariantRes"
+ *           $ref: "#/components/schemas/AdminVariantsRes"
  *   "400":
  *     $ref: "#/components/responses/400_error"
  *   "401":

packages/medusa/src/api/routes/admin/variants/index.ts

@@ -100,7 +100,7 @@ export type AdminVariantsListRes = PaginatedResponse & {
 }
 
 /**
- * @schema AdminVariantRes
+ * @schema AdminVariantsRes
  * type: object
  * required:
  *   - variant