Remove unneeded static_pointer_cast (facebook#54611)

Summary:
Pull Request resolved: facebook#54611

No need for a shared_ptr copy here, as the lambda will not outlive the function scope.

Changelog: [Internal]

Reviewed By: sammy-SC

Differential Revision: D87480063

fbshipit-source-id: 6d7030ef523a5e15991032064ff979926db00451

Author: javache

packages/react-native/React/Fabric/Mounting/ComponentViews/VirtualView/RCTVirtualViewComponentView.mm

@@ -330,9 +330,8 @@ - (void)dispatchAsyncModeChange:(VirtualViewEventEmitter::OnModeChange &)event
     return;
   }
 
-  std::shared_ptr<const VirtualViewEventEmitter> emitter =
-      std::static_pointer_cast<const VirtualViewEventEmitter>(_eventEmitter);
-  emitter->onModeChange(event);
+  auto &emitter = static_cast<const VirtualViewEventEmitter &>(*_eventEmitter);
+  emitter.onModeChange(event);
 }
 
 - (void)dispatchSyncModeChange:(VirtualViewEventEmitter::OnModeChange &)event
@@ -341,13 +340,12 @@ - (void)dispatchSyncModeChange:(VirtualViewEventEmitter::OnModeChange &)event
     return;
   }
 
-  std::shared_ptr<const VirtualViewEventEmitter> emitter =
-      std::static_pointer_cast<const VirtualViewEventEmitter>(_eventEmitter);
+  auto &emitter = static_cast<const VirtualViewEventEmitter &>(*_eventEmitter);
 
   // TODO: Move this into a custom event emitter. We had to duplicate the codegen code here from onModeChange in order
   // to dispatch synchronously and discrete.
-  emitter->experimental_flushSync([&emitter, &event]() {
-    emitter->dispatchEvent(
+  emitter.experimental_flushSync([&emitter, &event]() {
+    emitter.dispatchEvent(
         "modeChange",
         [event](jsi::Runtime &runtime) {
           auto payload = jsi::Object(runtime);

packages/react-native/React/Fabric/Mounting/ComponentViews/VirtualViewExperimental/RCTVirtualViewExperimentalComponentView.mm

@@ -266,9 +266,8 @@ - (void)_dispatchAsyncModeChange:(VirtualViewEventEmitter::OnModeChange &)event
     return;
   }
 
-  std::shared_ptr<const VirtualViewEventEmitter> emitter =
-      std::static_pointer_cast<const VirtualViewEventEmitter>(_eventEmitter);
-  emitter->onModeChange(event);
+  auto &emitter = static_cast<const VirtualViewEventEmitter &>(*_eventEmitter);
+  emitter.onModeChange(event);
 }
 
 - (void)_dispatchSyncModeChange:(VirtualViewEventEmitter::OnModeChange &)event
@@ -277,13 +276,12 @@ - (void)_dispatchSyncModeChange:(VirtualViewEventEmitter::OnModeChange &)event
     return;
   }
 
-  std::shared_ptr<const VirtualViewEventEmitter> emitter =
-      std::static_pointer_cast<const VirtualViewEventEmitter>(_eventEmitter);
+  auto &emitter = static_cast<const VirtualViewEventEmitter &>(*_eventEmitter);
 
   // TODO: Move this into a custom event emitter. We had to duplicate the codegen code here from onModeChange in order
   // to dispatch synchronously and discrete.
-  emitter->experimental_flushSync([&emitter, &event]() {
-    emitter->dispatchEvent(
+  emitter.experimental_flushSync([&emitter, &event]() {
+    emitter.dispatchEvent(
         "modeChange",
         [event](jsi::Runtime &runtime) {
           auto payload = jsi::Object(runtime);