feat: Add onTapAlwaysCalled in TextFormField (flutter#140089)

Add onTapAlwaysCalled in TextFormField

*List which issues are fixed by this PR. You must list at least one issue. An issue is not required if the PR fixes something trivial like a typo.*

*If you had to change anything in the [flutter/tests] repo, include a link to the migration guide as per the [breaking change policy].*

Author: lsaudon

packages/flutter/lib/src/material/text_form_field.dart

@@ -134,6 +134,7 @@ class TextFormField extends FormField<String> {
     int? maxLength,
     this.onChanged,
     GestureTapCallback? onTap,
+    bool onTapAlwaysCalled = false,
     TapRegionCallback? onTapOutside,
     VoidCallback? onEditingComplete,
     ValueChanged<String>? onFieldSubmitted,
@@ -231,6 +232,7 @@ class TextFormField extends FormField<String> {
                maxLength: maxLength,
                onChanged: onChangedHandler,
                onTap: onTap,
+               onTapAlwaysCalled: onTapAlwaysCalled,
                onTapOutside: onTapOutside,
                onEditingComplete: onEditingComplete,
                onSubmitted: onFieldSubmitted,

packages/flutter/test/material/text_form_field_test.dart

@@ -1512,6 +1512,26 @@ void main() {
     expect(textFieldWidget.dragStartBehavior, dragStartBehavior);
   });
 
+  testWidgetsWithLeakTracking('Passes onTapAlwaysCalled to onTapAlwaysCalled TextField', (WidgetTester tester) async {
+    await tester.pumpWidget(
+      MaterialApp(
+        home: Material(
+          child: Center(
+            child: TextFormField(
+              onTapAlwaysCalled: true,
+            ),
+          ),
+        ),
+      ),
+    );
+
+    final Finder textFieldFinder = find.byType(TextField);
+    expect(textFieldFinder, findsOneWidget);
+
+    final TextField textFieldWidget = tester.widget(textFieldFinder);
+    expect(textFieldWidget.onTapAlwaysCalled, isTrue);
+  });
+
   testWidgetsWithLeakTracking('Error color for cursor while validating', (WidgetTester tester) async {
     const Color themeErrorColor = Color(0xff111111);
     const Color errorStyleColor = Color(0xff777777);