fix:: trigger onTapOutside only if has focus (#136291)

Adds new feat and fix to flutter/flutter#134341

Author: Mairramer

packages/flutter/lib/src/widgets/editable_text.dart

@@ -4770,7 +4770,7 @@ class EditableTextState extends State<EditableText> with AutomaticKeepAliveClien
       compositeCallback: _compositeCallback,
       enabled: _hasInputConnection,
       child: TextFieldTapRegion(
-        onTapOutside: widget.onTapOutside ?? _defaultOnTapOutside,
+        onTapOutside: _hasFocus ? widget.onTapOutside ?? _defaultOnTapOutside : null,
         debugLabel: kReleaseMode ? null : 'EditableText',
         child: MouseRegion(
           cursor: widget.mouseCursor ?? SystemMouseCursors.text,

packages/flutter/test/material/text_form_field_test.dart

@@ -773,6 +773,7 @@ void main() {
               children: <Widget>[
                 const Text('Outside'),
                 TextFormField(
+                  autofocus: true,
                   onTapOutside: (PointerEvent event) {
                     tapOutsideCount += 1;
                   },
@@ -793,6 +794,37 @@ void main() {
     expect(tapOutsideCount, 3);
   });
 
+  // Regression test for https://github.com/flutter/flutter/issues/134341.
+  testWidgetsWithLeakTracking('onTapOutside is not called upon tap outside when field is not focused', (WidgetTester tester) async {
+    int tapOutsideCount = 0;
+    await tester.pumpWidget(
+      MaterialApp(
+        home: Material(
+          child: Center(
+            child: Column(
+              children: <Widget>[
+                const Text('Outside'),
+                TextFormField(
+                  onTapOutside: (PointerEvent event) {
+                    tapOutsideCount += 1;
+                  },
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+    await tester.pump();
+
+    expect(tapOutsideCount, 0);
+    await tester.tap(find.byType(TextFormField));
+    await tester.tap(find.text('Outside'));
+    await tester.tap(find.text('Outside'));
+    await tester.tap(find.text('Outside'));
+    expect(tapOutsideCount, 0);
+  });
+
   // Regression test for https://github.com/flutter/flutter/issues/54472.
   testWidgetsWithLeakTracking('reset resets the text fields value to the initialValue', (WidgetTester tester) async {
     await tester.pumpWidget(