ConsoleLog: only set qSetMessagePattern if in debug mode
ConsoleLog: only set qSetMessagePattern if in debug mode

If we're not in debug mode, the symbols are stripped so we ended up with:

    unknown(0): MESSAGE

shinnok/tarsnap-gui,Tarsnap/tarsnap-gui,Tarsnap/tarsnap-gui,shinnok/tarsnap-gui,Tarsnap/tarsnap-gui,shinnok/tarsnap-gui,Tarsnap/tarsnap-gui,shinnok/tarsnap-gui,Tarsnap/tarsnap-gui,shinnok/tarsnap-gui