fix: (base-entity) set create return type to T[] (#5400)

src/repository/BaseEntity.ts

@@ -126,7 +126,7 @@ export class BaseEntity {
      * Creates a new entities and copies all entity properties from given objects into their new entities.
      * Note that it copies only properties that present in entity schema.
      */
-    static create<T extends BaseEntity>(this: ObjectType<T>, entityLikeArray: DeepPartial<T>[]): T;
+    static create<T extends BaseEntity>(this: ObjectType<T>, entityLikeArray: DeepPartial<T>[]): T[];
 
     /**
      * Creates a new entity instance and copies all entity properties from this object into a new entity.