engine: do not cause an error when setting an input profile on an unset input patch
engine: do not cause an error when setting an input profile on an unset input patch

plugz/qlcplus,sbenejam/qlcplus,nedmech/qlcplus,kripton/qlcplus,sbenejam/qlcplus,mcallegari/qlcplus,plugz/qlcplus,kripton/qlcplus,plugz/qlcplus,sbenejam/qlcplus,kripton/qlcplus,mcallegari/qlcplus,sbenejam/qlcplus,nedmech/qlcplus,sbenejam/qlcplus,nedmech/qlcplus,nedmech/qlcplus,plugz/qlcplus,kripton/qlcplus,mcallegari/qlcplus,kripton/qlcplus,nedmech/qlcplus,sbenejam/qlcplus,mcallegari/qlcplus,mcallegari/qlcplus,mcallegari/qlcplus,kripton/qlcplus,mcallegari/qlcplus,plugz/qlcplus,kripton/qlcplus,plugz/qlcplus,sbenejam/qlcplus,nedmech/qlcplus,plugz/qlcplus