fix object creation, user serialization, user creation

src-ui/src/app/components/common/edit-dialog/user-edit-dialog/user-edit-dialog.component.ts

@@ -52,8 +52,8 @@ export class UserEditDialogComponent
       last_name: new FormControl(''),
       is_active: new FormControl(true),
       is_superuser: new FormControl(false),
-      groups: new FormControl(null),
-      user_permissions: new FormControl(null),
+      groups: new FormControl([]),
+      user_permissions: new FormControl([]),
     })
   }
 

src-ui/src/app/data/object-with-permissions.ts

@@ -13,7 +13,7 @@ export interface PermissionsObject {
 }
 
 export interface ObjectWithPermissions extends ObjectWithId {
-  owner?: PaperlessUser
+  owner?: number
 
   permissions?: PermissionsObject
 }

src-ui/src/app/services/permissions.service.ts

@@ -45,7 +45,7 @@ export class PermissionsService {
   }
 
   public currentUserOwnsObject(object: ObjectWithPermissions): boolean {
-    return !object || !object.owner || object.owner.id === this.currentUser.id
+    return !object || !object.owner || object.owner === this.currentUser.id
   }
 
   public currentUserHasObjectPermissions(