feat: restructure events payload (#8143)

* refactor: restructure events payload

Breaking change: This PR changes the event payload accepted by the event
listeners

* refactor: fix failing tests and implement feedback

* add integration tests

* fix timeout

---------

Co-authored-by: Adrien de Peretti <adrien.deperetti@gmail.com>

packages/core/utils/src/modules-sdk/medusa-service.ts

@@ -261,7 +261,7 @@ export function MedusaService<
 
           await this.eventBusModuleService_?.emit(
             primaryKeyValues_.map((primaryKeyValue) => ({
-              eventName: `${kebabCase(modelName)}.deleted`,
+              name: `${kebabCase(modelName)}.deleted`,
               data: isString(primaryKeyValue)
                 ? { id: primaryKeyValue }
                 : primaryKeyValue,
@@ -294,7 +294,7 @@ export function MedusaService<
 
           await this.eventBusModuleService_?.emit(
             softDeletedModels.map(({ id }) => ({
-              eventName: `${kebabCase(modelName)}.deleted`,
+              name: `${kebabCase(modelName)}.deleted`,
               metadata: { source: "", action: "", object: "" },
               data: { id },
             }))