fix(messaging, ios): prioritize delegate call order in willPresentNotification#8786

WontakKim wants to merge 2 commits intoinvertase:maininvertase/react-native-firebase:mainfrom

WontakKim:fix/ios-messaging-custom-completion-handler-supportWontakKim/react-native-firebase:fix/ios-messaging-custom-completion-handler-supportCopy head branch name to clipboard