fix: use IsPrimary() for touch pointer isPrimary instead of hardcoded id#16099

acoates-ms merged 2 commits intomicrosoft:mainmicrosoft/react-native-windows:mainfrom

Virtual-Fulfillment-Technologies-Inc:vendora/primary-touch-fixVirtual-Fulfillment-Technologies-Inc/react-native-windows:vendora/primary-touch-fixCopy head branch name to clipboard