display(visionOS): disable GCMouse due to it not working

Platform/iOS/Display/VMDisplayMetalViewController+Pointer.m

@@ -153,11 +153,13 @@ NS_AVAILABLE_IOS(13.4)
 
 
 - (UIPointerRegion *)pointerInteraction:(UIPointerInteraction *)interaction regionForRequest:(UIPointerRegionRequest *)request defaultRegion:(UIPointerRegion *)defaultRegion {
+#if !TARGET_OS_VISION
     if (@available(iOS 14.0, *)) {
         if (self.prefersPointerLocked) {
             return nil;
         }
     }
+#endif
     // Requesting region for the VM display?
     if (interaction.view == self.mtkView && self.hasTouchpadPointer) {
         // Then we need to find out if the pointer is in the actual display area or outside

Platform/iOS/Display/VMDisplayMetalViewController+Touch.m

@@ -181,11 +181,15 @@ const CGFloat kScrollResistance = 10.0f;
 }
 
 - (VMMouseType)indirectMouseType {
+#if TARGET_OS_VISION
+    return VMMouseTypeAbsolute;
+#else
     if (@available(iOS 14.0, *)) {
         return VMMouseTypeRelative;
     } else {
         return VMMouseTypeAbsolute; // legacy iOS 13.4 mouse handling requires absolute
     }
+#endif
 }
 
 #pragma mark - Converting view points to VM display points
@@ -635,7 +639,7 @@ static CGRect CGRectClipToBounds(CGRect rect1, CGRect rect2) {
             VMMouseType type = [self touchTypeToMouseType:touch.type];
 #if TARGET_OS_VISION
             if ([self isTouchGazeGesture:touch]) {
-                type = self.indirectMouseType;
+                type = VMMouseTypeRelative;
             }
 #endif
             if ([self switchMouseType:type]) {

Platform/iOS/Display/VMDisplayMetalViewController.m

@@ -121,13 +121,17 @@ static const NSInteger kResizeTimeoutSecs = 5;
 - (void)viewWillAppear:(BOOL)animated {
     [super viewWillAppear:animated];
     self.prefersHomeIndicatorAutoHidden = YES;
+#if !TARGET_OS_VISION
     [self startGCMouse];
+#endif
     [self.vmDisplay addRenderer:self.renderer];
 }
 
 - (void)viewWillDisappear:(BOOL)animated {
     [super viewWillDisappear:animated];
+#if !TARGET_OS_VISION
     [self stopGCMouse];
+#endif
     [self.vmDisplay removeRenderer:self.renderer];
     [self removeObserver:self forKeyPath:@"vmDisplay.displaySize"];
 }