Conform to new selectionClipRect method in UIAsyncTextInput

https://bugs.webkit.org/show_bug.cgi?id=264551
rdar://118217775

Reviewed by Wenson Hsieh.

Continuing adoption of more parts of the UIAsyncTextInput protocol

* Source/WebKit/UIProcess/ios/WKContentViewInteraction.mm:
(-[WKContentView _selectionClipRectInternal]):
(-[WKContentView _selectionClipRect]):
(-[WKContentView selectionClipRect]):

Canonical link: https://commits.webkit.org/270544@main

Source/WebKit/UIProcess/ios/WKContentViewInteraction.mm

@@ -2611,7 +2611,7 @@ - (UIView *)inputViewForWebView
     return [_inputPeripheral assistantView];
 }
 
-- (CGRect)_selectionClipRect
+- (CGRect)_selectionClipRectInternal
 {
     if (_page->waitingForPostLayoutEditorStateUpdateAfterFocusingElement())
         return _focusedElementInformation.interactionRect;
@@ -2622,6 +2622,12 @@ - (CGRect)_selectionClipRect
     return CGRectNull;
 }
 
+- (CGRect)_selectionClipRect
+{
+    RELEASE_ASSERT_ASYNC_TEXT_INTERACTIONS_DISABLED();
+    return [self _selectionClipRectInternal];
+}
+
 static BOOL isBuiltInScrollViewPanGestureRecognizer(UIGestureRecognizer *recognizer)
 {
     static Class scrollViewPanGestureClass;
@@ -12088,6 +12094,11 @@ - (void)selectTextForContextMenuWithLocationInView:(CGPoint)locationInView compl
 
 #endif // ENABLE(REVEAL)
 
+- (CGRect)selectionClipRect
+{
+    return [self _selectionClipRectInternal];
+}
+
 #endif // HAVE(UI_ASYNC_TEXT_INTERACTION)
 
 @end