Always show the add button for budgets

lib/ui/pages/budgets/budgets.dart

@@ -12,27 +12,15 @@ class BudgetListPage extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return BlocBuilder<CoreCubit, CoreState>(
+    return Stack(
+      children: [
+        BlocBuilder<CoreCubit, CoreState>(
           builder: (context, state) {
             if (state.budgets.isEmpty) {
               return Column(
                 crossAxisAlignment: CrossAxisAlignment.center,
                 children: [
                   Text("No budgets"),
-              OutlinedButton(
-                onPressed: () {
-                  showDialogOrModal(
-                    context: context,
-                    builder:
-                        (_) => AddBudgetPopup(
-                          onDone: () {
-                            Navigator.of(context).pop();
-                          },
-                        ),
-                  );
-                },
-                child: Text("Add"),
-              ),
                 ],
               );
             }
@@ -51,7 +39,8 @@ class BudgetListPage extends StatelessWidget {
                           onPressed: () {
                             showDialogOrModal(
                               context: context,
-                            builder: (_) => EditBudgetPopup(
+                              builder:
+                                  (_) => EditBudgetPopup(
                                     budget: state.activeBudget!,
                                     onDone: () {
                                       Navigator.of(context).pop();
@@ -79,6 +68,27 @@ class BudgetListPage extends StatelessWidget {
                   ),
             );
           },
+        ),
+
+        Positioned(
+          right: 16,
+          bottom: 16,
+          child: FloatingActionButton(
+              child: Icon(Icons.add),
+              onPressed: () {
+                showDialogOrModal(
+                  context: context,
+                  builder:
+                      (_) => AddBudgetPopup(
+                    onDone: () {
+                      Navigator.of(context).pop();
+                    },
+                  ),
+                );
+              },
+          ),
+        ),
+      ],
     );
   }
 }