Duplicate Xcodeproj UUIDs in iOS app template Podfile fixed

Summary:
Disabled deterministic UUIDs in the Podfile.
Changelog: [iOS][Fixed] - Fixed duplicated UUIDs problem during pod install phase.

Reviewed By: sota000

Differential Revision: D33741572

fbshipit-source-id: 65cdd8a0ae34200e36e5a68849f5d3537c39dda2

template/ios/Podfile

@@ -2,6 +2,7 @@ require_relative '../node_modules/react-native/scripts/react_native_pods'
 require_relative '../node_modules/@react-native-community/cli-platform-ios/native_modules'
 
 platform :ios, '11.0'
+install! 'cocoapods', :deterministic_uuids => false
 
 target 'HelloWorld' do
   config = use_native_modules!