fix(ui): SQL toolbar row states its control size and a test holds it

lib/features/workspace/sql_workspace_toolbar.dart

@@ -1,6 +1,7 @@
 import 'dart:io';
 
 import 'package:flutter/material.dart' as material;
+import 'package:querya_desktop/core/ui/querya_control_tokens.dart';
 import 'package:querya_desktop/features/settings/preferences_dialog.dart';
 import 'package:querya_desktop/features/settings/sql_statement_timeout_dropdown.dart';
 import 'package:querya_desktop/features/workspace/sql_execution_delegate.dart';
@@ -149,7 +150,11 @@ class SqlWorkspaceToolbar extends StatelessWidget {
     return material.LayoutBuilder(
       builder: (context, constraints) {
         final compact = constraints.maxWidth < compactWidthBreakpoint;
-        return material.SingleChildScrollView(
+        // One size for the whole row: the run split button, the buttons, the
+        // icon buttons and the session menu are all `md` (#1439).
+        return QueryaControlScope(
+          size: QueryaControlSize.md,
+          child: material.SingleChildScrollView(
           scrollDirection: material.Axis.horizontal,
           child: material.Row(
             children: [
@@ -275,6 +280,7 @@ class SqlWorkspaceToolbar extends StatelessWidget {
               ],
             ],
           ),
+          ),
         );
       },
     );

test/features/workspace/sql_workspace_toolbar_test.dart

@@ -125,5 +125,55 @@ void main() {
       await tester.tap(find.byKey(const material.ValueKey('run_script')));
       expect(executeCalled, isTrue);
     });
+
+    testWidgets('every control of the row has the md height (#1439)',
+        (tester) async {
+      final session = SqlQueryTabSession(
+        id: '1',
+        title: 'Query 1',
+        initialSql: 'SELECT 1;',
+      );
+
+      await tester.pumpWidget(
+        buildApp(
+          SqlWorkspaceToolbar(
+            session: session,
+            delegate: _FakeSqlExecutionDelegate(),
+            effectiveDatabase: 'test_db',
+            autocommit: false,
+            supportsAutocommit: true,
+            supportsStmtTimeout: true,
+            txOpen: true,
+            queryTimeoutSeconds: null,
+            historyEnabled: true,
+            onExecute: (_) {},
+            onExplain: () {},
+            onCancel: () {},
+            onOpenHistory: () {},
+            onOpenFile: () {},
+            onSaveFile: () {},
+            onRunTxCommand: (_) {},
+            onToggleAutocommit: () {},
+            onTimeoutChanged: (_) {},
+          ),
+        ),
+      );
+      await tester.pumpAndSettle();
+
+      for (final key in [
+        'run_script',
+        'run_menu',
+        'explain_query',
+        'history_button',
+        'format_button',
+        'open_sql_button',
+        'save_sql_button',
+        'session_menu',
+      ]) {
+        final finder = find.byKey(material.ValueKey(key));
+        expect(finder, findsOneWidget, reason: key);
+        expect(tester.getSize(finder).height, 32, reason: key);
+      }
+    });
   });
 }