Fix sample app to run on Xcode 12.5

Author: AliAbdelfattah

InstabugSample/ios/Podfile

@@ -28,6 +28,12 @@ target 'InstabugSample' do
   pod 'glog', :podspec => '../node_modules/react-native/third-party-podspecs/glog.podspec'
   pod 'Folly', :podspec => '../node_modules/react-native/third-party-podspecs/Folly.podspec'
 
+  post_install do |installer|
+      ## Fix for XCode 12.5 beta
+      find_and_replace("../node_modules/react-native/React/CxxBridge/RCTCxxBridge.mm",
+      "_initializeModules:(NSArray<id<RCTBridgeModule>> *)modules", "_initializeModules:(NSArray<Class> *)modules")
+  end
+  
   target 'InstabugSampleTests' do
     inherit! :search_paths
     # Pods for testing
@@ -36,3 +42,17 @@ target 'InstabugSample' do
 
   use_native_modules!
 end
+
+def find_and_replace(dir, findstr, replacestr)
+  Dir[dir].each do |name|
+      text = File.read(name)
+      replace = text.gsub(findstr,replacestr)
+      if text != replace
+          puts "Fix: " + name
+          File.open(name, "w") { |file| file.puts replace }
+          STDOUT.flush
+      end
+  end
+  Dir[dir + '*/'].each(&method(:find_and_replace))
+end
+