refactoring: custom views service.

fix: constraints of delete item from storage.
fix: constraints of delete item category from storage.
fix: localize database seeds files.
fix: view meta data in accounts list response.

server/src/interfaces/Item.ts

@@ -70,6 +70,6 @@ export interface IItemsService {
 
 export interface IItemsFilter extends IDynamicListFilter {
   stringifiedFilterRoles?: string,
-  page?: number,
-  pageSize?: number,
+  page: number,
+  pageSize: number,
 };