[HBPreferences] swap the strings in the prefix check to avoid a crash
[HBPreferences] swap the strings in the prefix check to avoid a crash

if the bundle identifier is nil (e.g. in a daemon), we’ll be passing nil to
hasPrefix:, which doesn’t like when you feed it nil. swap them around so it
can never crash. also NSParameterAssert(identifier) just to be totally sure

hbang/libcephei