[0.84] fix: cancel active touches in onPointerCaptureLost to prevent zombie touch state#16087

acoates-ms merged 2 commits intomicrosoft:0.84-stablemicrosoft/react-native-windows:0.84-stablefrom

Virtual-Fulfillment-Technologies-Inc:cherry/onPointerCaptureLostVirtual-Fulfillment-Technologies-Inc/react-native-windows:cherry/onPointerCaptureLostCopy head branch name to clipboard