Client: fix error alert

client/src/app/admin/friends/friend-add/friend-add.component.ts

@@ -87,7 +87,7 @@ export class FriendAddComponent implements OnInit {
           this.router.navigate([ '/admin/friends/list' ]);
         // }
       },
-      error => alert(error)
+      error => alert(error.text)
     );
   }
 

client/src/app/admin/friends/friend-list/friend-list.component.ts

@@ -24,7 +24,7 @@ export class FriendListComponent implements OnInit {
         alert('Quit friends!');
         this.getFriends();
       },
-      error => alert(error)
+      error => alert(error.text)
     );
   }
 
@@ -32,7 +32,7 @@ export class FriendListComponent implements OnInit {
     this.friendService.getFriends().subscribe(
       friends => this.friends = friends,
 
-      err => alert(err)
+      err => alert(err.text)
     );
   }
 }

client/src/app/admin/requests/request-stats/request-stats.component.ts

@@ -32,7 +32,7 @@ export class RequestStatsComponent implements OnInit, OnDestroy {
         this.runInterval();
       },
 
-      err => alert(err)
+      err => alert(err.text)
     );
   }
 

client/src/app/videos/video-list/video-miniature.component.ts

@@ -36,7 +36,7 @@ export class VideoMiniatureComponent {
     if (confirm('Do you really want to remove this video?')) {
       this.videoService.removeVideo(id).subscribe(
         status => this.removed.emit(true),
-        error => alert(error)
+        error => alert(error.text)
       );
     }
   }