fix: PerfMonitor not showing on iOS

Author: okwasniewski

packages/react-native/React/CoreModules/RCTDevMenu.mm

@@ -299,6 +299,14 @@ - (void)setDefaultJSBundle
                            devSettings.isHotLoadingEnabled = !devSettings.isHotLoadingEnabled;
                          }]];
   }
+  
+  id perfMonitorItemOpaque = [_moduleRegistry moduleForName:"PerfMonitor"];
+  SEL devMenuItem = @selector(devMenuItem);
+  if ([perfMonitorItemOpaque respondsToSelector:devMenuItem]) {
+    RCTDevMenuItem *perfMonitorItem = [perfMonitorItemOpaque performSelector:devMenuItem];
+    [items addObject:perfMonitorItem];
+  }
+  
 
   [items
       addObject:[RCTDevMenuItem

packages/react-native/React/CoreModules/RCTPerfMonitor.mm

@@ -63,7 +63,6 @@ static vm_size_t RCTGetResidentMemorySize(void)
 @interface RCTPerfMonitor : NSObject <
                                 RCTBridgeModule,
                                 RCTTurboModule,
-                                RCTInitializing,
                                 RCTInvalidating,
                                 UITableViewDataSource,
                                 UITableViewDelegate>
@@ -131,13 +130,6 @@ - (dispatch_queue_t)methodQueue
   return dispatch_get_main_queue();
 }
 
-- (void)initialize
-{
-#if __has_include(<React/RCTDevMenu.h>)
-  [(RCTDevMenu *)[_moduleRegistry moduleForName:"DevMenu"] addItem:self.devMenuItem];
-#endif
-}
-
 - (void)invalidate
 {
   [self hide];