Remove shadowview copy in setIsJSResponder

Summary:
Noticed we were copying ShadowView, where a reference should suffice.

Changelog: [Internal]

Reviewed By: appden

Differential Revision: D36455200

fbshipit-source-id: 2cd3cf66b9e5ec05bce9ce1d739fbed66f3a6d89

React/Fabric/Mounting/RCTMountingManager.h

@@ -63,7 +63,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (void)setIsJSResponder:(BOOL)isJSResponder
     blockNativeResponder:(BOOL)blockNativeResponder
-           forShadowView:(facebook::react::ShadowView)shadowView;
+           forShadowView:(facebook::react::ShadowView const &)shadowView;
 
 - (void)synchronouslyUpdateViewOnUIThread:(ReactTag)reactTag
                              changedProps:(NSDictionary *)props

React/Fabric/Mounting/RCTMountingManager.mm

@@ -282,11 +282,11 @@ static void RCTPerformMountInstructions(
 
 - (void)setIsJSResponder:(BOOL)isJSResponder
     blockNativeResponder:(BOOL)blockNativeResponder
-           forShadowView:(facebook::react::ShadowView)shadowView
+           forShadowView:(facebook::react::ShadowView const &)shadowView
 {
+  ReactTag reactTag = shadowView.tag;
   RCTExecuteOnMainQueue(^{
-    UIView<RCTComponentViewProtocol> *componentView =
-        [self->_componentViewRegistry findComponentViewWithTag:shadowView.tag];
+    UIView<RCTComponentViewProtocol> *componentView = [self->_componentViewRegistry findComponentViewWithTag:reactTag];
     [componentView setIsJSResponder:isJSResponder];
   });
 }

React/Fabric/RCTSurfacePresenter.mm

@@ -364,7 +364,7 @@ static BackgroundExecutor RCTGetBackgroundExecutor()
   NSString *commandStr = [[NSString alloc] initWithUTF8String:commandName.c_str()];
   NSArray *argsArray = convertFollyDynamicToId(args);
 
-  [self->_mountingManager dispatchCommand:tag commandName:commandStr args:argsArray];
+  [_mountingManager dispatchCommand:tag commandName:commandStr args:argsArray];
 }
 
 - (void)schedulerDidSendAccessibilityEvent:(const facebook::react::ShadowView &)shadowView
@@ -373,16 +373,14 @@ static BackgroundExecutor RCTGetBackgroundExecutor()
   ReactTag tag = shadowView.tag;
   NSString *eventTypeStr = [[NSString alloc] initWithUTF8String:eventType.c_str()];
 
-  [self->_mountingManager sendAccessibilityEvent:tag eventType:eventTypeStr];
+  [_mountingManager sendAccessibilityEvent:tag eventType:eventTypeStr];
 }
 
 - (void)schedulerDidSetIsJSResponder:(BOOL)isJSResponder
                 blockNativeResponder:(BOOL)blockNativeResponder
                        forShadowView:(facebook::react::ShadowView const &)shadowView;
 {
-  [self->_mountingManager setIsJSResponder:isJSResponder
-                      blockNativeResponder:blockNativeResponder
-                             forShadowView:shadowView];
+  [_mountingManager setIsJSResponder:isJSResponder blockNativeResponder:blockNativeResponder forShadowView:shadowView];
 }
 
 - (void)addObserver:(id<RCTSurfacePresenterObserver>)observer