components/pilot-select: Add club group only if club members are available
components/pilot-select: Add club group only if club members are available

skylines-project/skylines,shadowoneau/skylines,Turbo87/skylines,skylines-project/skylines,skylines-project/skylines,Turbo87/skylines,shadowoneau/skylines,shadowoneau/skylines,Harry-R/skylines,RBE-Avionik/skylines,RBE-Avionik/skylines,Turbo87/skylines,shadowoneau/skylines,Turbo87/skylines,RBE-Avionik/skylines,Harry-R/skylines,RBE-Avionik/skylines,Harry-R/skylines,skylines-project/skylines,Harry-R/skylines