Fix: handle created change with api version increment, use created only on frontend, deprecate created_date (#9962)

src-ui/src/app/data/document.ts

@@ -130,9 +130,6 @@ export interface Document extends ObjectWithPermissions {
   // UTC
   created?: Date
 
-  // localized date
-  created_date?: Date
-
   modified?: Date
 
   added?: Date