MXLogger: Replace NSSearchPathForDirectoriesInDomains by the adviced [NSFileManager URLsForDirectory]
MXLogger: Replace NSSearchPathForDirectoriesInDomains by the adviced [NSFileManager URLsForDirectory]

Plus, add some logs to try analyse why M has no more rotated log (only console.log which is sometimes obsolete)

matrix-org/matrix-ios-sdk,matrix-org/matrix-ios-sdk,matrix-org/matrix-ios-sdk,matrix-org/matrix-ios-sdk,matrix-org/matrix-ios-sdk