Strip RCT prefix in TurbooduleManager

Summary:
This is a followup to the issue described in D25477044, basically the TM cache can get messed up if `TurboModuleManager` is asked for "RCTNetworking" vs "Networking". This solves that issue globally.

Changelog: [Internal]

Reviewed By: RSNara

Differential Revision: D25480624

fbshipit-source-id: 2024560eadbcf58cdc3d7d5675b4120aa2fa2582

Author: Peter Argany

ReactCommon/react/nativemodule/core/platform/ios/RCTTurboModuleManager.mm

@@ -358,6 +358,10 @@ - (TurboModuleHolder *)_getOrCreateTurboModuleHolder:(const char *)moduleName
  */
 - (id<RCTTurboModule>)provideRCTTurboModule:(const char *)moduleName
 {
+  if (strncmp("RCT", moduleName, 3) == 0) {
+    moduleName = [[[NSString stringWithUTF8String:moduleName] substringFromIndex:3] UTF8String];
+  }
+
   TurboModuleHolder *moduleHolder = [self _getOrCreateTurboModuleHolder:moduleName];
 
   if (!moduleHolder) {