use ErrorDialog to show errors

lib/widgets/pinned_events_drawer.dart

@@ -3,6 +3,7 @@ import "package:flutter/material.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
 import "package:nexus/controllers/pinned_events_controller.dart";
 import "package:nexus/models/event.dart";
+import "package:nexus/widgets/error_dialog.dart";
 import "package:nexus/widgets/loading.dart";
 import "package:nexus/widgets/renderers/event.dart";
 
@@ -91,15 +92,10 @@ class PinnedEventsDrawer extends HookConsumerWidget {
               );
             },
           ),
-          AsyncLoading() => Center(child: Loading()),
-          AsyncError(:final error) => Center(
-            child: Column(
-              children: [
-                Icon(Icons.error_outline, color: theme.colorScheme.error),
-                SizedBox(height: 8),
-                Text("$error"),
-              ],
-            ),
+          AsyncLoading() => Loading(),
+          AsyncError(:final error, :final stackTrace) => ErrorDialog(
+            error,
+            stackTrace,
           ),
         },
       ),