add ability for non admins to add new traction, pending approval. Various QoL updates

lib/components/widgets/leg_share_edit_notification_card.dart

@@ -160,6 +160,7 @@ class _LegShareEditNotificationCardState extends State<LegShareEditNotificationC
       _legId = share?.entry.id;
       _currentLeg ??= _findCurrentLeg(_legId);
     } catch (e) {
+      // ignore: avoid_empty_catches
     }
   }