Don't duplicate file check if currentDirectory is also in mediaFilesCache & allow checkForFileSwitchUpdate to be called without argument
Don't duplicate file check if currentDirectory is also in mediaFilesCache & allow checkForFileSwitchUpdate to be called without argument

Syncplay/syncplay,alby128/syncplay,Syncplay/syncplay,NeverDecaf/syncplay,alby128/syncplay,NeverDecaf/syncplay