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

lib/components/pages/new_entry/new_entry_submit_logic.dart

@@ -232,16 +232,16 @@ extension _NewEntrySubmitLogic on _NewEntryPageState {
     if (!mounted) return false;
     final result = await showDialog<bool>(
       context: context,
-      builder: (_) => AlertDialog(
+      builder: (dialogContext) => AlertDialog(
         title: const Text('Duplicate entry?'),
         content: const Text('Entry already added, are you sure?'),
         actions: [
           TextButton(
-            onPressed: () => Navigator.of(context).pop(false),
+            onPressed: () => Navigator.of(dialogContext).pop(false),
             child: const Text('Cancel'),
           ),
           ElevatedButton(
-            onPressed: () => Navigator.of(context).pop(true),
+            onPressed: () => Navigator.of(dialogContext).pop(true),
             child: const Text('Submit anyway'),
           ),
         ],