Remove `clipBehavior == Clip.none` conditions (#98503)

packages/flutter/lib/src/cupertino/form_section.dart

@@ -293,13 +293,11 @@ class CupertinoFormSection extends StatelessWidget {
             ),
           Padding(
             padding: margin,
-            child: clipBehavior == Clip.none
-              ? decoratedChildrenGroup
-              : ClipRRect(
-                  borderRadius: childrenGroupBorderRadius,
-                  clipBehavior: clipBehavior,
-                  child: decoratedChildrenGroup,
-                ),
+            child: ClipRRect(
+              borderRadius: childrenGroupBorderRadius,
+              clipBehavior: clipBehavior,
+              child: decoratedChildrenGroup,
+            ),
           ),
           if (footer != null)
             Align(

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

@@ -450,9 +450,6 @@ class _MaterialState extends State<Material> with TickerProviderStateMixin {
       shape: shape,
       child: contents,
     );
-    if (clipBehavior == Clip.none) {
-      return child;
-    }
     return ClipPath(
       clipper: ShapeBorderClipper(
         shape: shape,

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

@@ -1103,14 +1103,10 @@ class _InteractiveViewerBuilt extends StatelessWidget {
       );
     }
 
-    if (clipBehavior != Clip.none) {
-      child = ClipRect(
-        clipBehavior: clipBehavior,
-        child: child,
-      );
-    }
-
-    return child;
+    return ClipRect(
+      clipBehavior: clipBehavior,
+      child: child,
+    );
   }
 }
 

packages/flutter/test/cupertino/form_section_test.dart

@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 import 'package:flutter/cupertino.dart';
+import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 void main() {
@@ -163,6 +164,7 @@ void main() {
       ),
     );
 
-    expect(find.byType(ClipRRect), findsNothing);
+    final RenderClipRRect renderClip = tester.allRenderObjects.whereType<RenderClipRRect>().first;
+    expect(renderClip.clipBehavior, equals(Clip.none));
   });
 }

packages/flutter/test/material/material_test.dart

@@ -420,7 +420,8 @@ void main() {
           ),
       );
 
-      expect(find.byKey(materialKey), hasNoImmediateClip);
+      final RenderClipPath renderClip = tester.allRenderObjects.whereType<RenderClipPath>().first;
+      expect(renderClip.clipBehavior, equals(Clip.none));
     });
 
     testWidgets('clips to bounding rect by default given Clip.antiAlias', (WidgetTester tester) async {

packages/flutter/test/widgets/interactive_viewer_test.dart

@@ -6,6 +6,7 @@ import 'dart:math' as math;
 
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:vector_math/vector_math_64.dart' show Quad, Vector3, Matrix4;
 
@@ -1168,10 +1169,8 @@ void main() {
         ),
       );
 
-      expect(
-        find.byType(ClipRect),
-        findsNothing,
-      );
+      final RenderClipRect renderClip = tester.allRenderObjects.whereType<RenderClipRect>().first;
+      expect(renderClip.clipBehavior, equals(Clip.none));
 
       await tester.pumpWidget(
         MaterialApp(