Fixes iOS packager connection not work (#25803)

Summary:
Macro `ENABLE_PACKAGER_CONNECTION` invalid because of `__has_include` can't find the header now. Leads to packager connection not work anymore.

## Changelog

[iOS] [Fixed] - Fixes iOS packager connection not work
Pull Request resolved: #25803

Test Plan:
1. Init a new project.
2. Run and input `curl http://localhost:8081/reload` in terminal. Reload operation can execute.

Differential Revision: D16458384

Pulled By: TheSavior

fbshipit-source-id: 27e7e02b5666a2131e995accd34e4da7bad42335

React/Base/RCTDefines.h

@@ -55,7 +55,7 @@
 #endif
 
 #ifndef ENABLE_PACKAGER_CONNECTION
-#if RCT_DEV && __has_include(<React/RCTPackagerConnection.h>) && !TARGET_OS_UIKITFORMAC
+#if RCT_DEV && (__has_include("RCTPackagerConnection.h") || __has_include(<React/RCTPackagerConnection.h>)) && !TARGET_OS_UIKITFORMAC
 #define ENABLE_PACKAGER_CONNECTION 1
 #else
 #define ENABLE_PACKAGER_CONNECTION 0