added transaction snackbar message

lib/pages/transactions/widgets/transaction_add_dialog.dart

@@ -21,8 +21,8 @@ class TransactionAddDialog extends StatelessWidget {
           BlocProvider.value(value: BlocProvider.of<CategoryBloc>(context)),
           BlocProvider.value(value: BlocProvider.of<AccountBloc>(context)),
         ],
-        child: const TransactionAddDialog()
-      )
+        child: const TransactionAddDialog(),
+      ),
     );
   }
 
@@ -32,18 +32,18 @@ class TransactionAddDialog extends StatelessWidget {
     final actions = [
       IconButton(
         onPressed: () => TransactionAddDialog.hide(context),
-        icon: const Icon(Icons.close)
+        icon: const Icon(Icons.close),
       ),
       IconButton(
         onPressed: () => context.read<TransactionBloc>().add(const TransactionAdd()),
-        icon: const Icon(Icons.save)
+        icon: const Icon(Icons.save),
       ),
     ];
 
     if (currentTransaction != null) {
       actions.add(IconButton(
         onPressed: () => context.read<TransactionBloc>().add(const TransactionDeleteCurrent()),
-        icon: const Icon(Icons.delete)
+        icon: const Icon(Icons.delete),
       ));
     }
 
@@ -57,8 +57,8 @@ class TransactionAddDialog extends StatelessWidget {
       builder: (context, state) => AlertDialog(
         title: Text(state.currentTransaction == null ? 'Add Transaction' : 'Edit Transaction'),
         actions: _computeActions(context, state.currentTransaction),
-        content: const TransactionForm()
-      )
+        content: const TransactionForm(),
+      ),
     );
   }
 }