model/tracking: Use inner join in get_latest() classmethod
model/tracking: Use inner join in get_latest() classmethod

skylines-project/skylines,Turbo87/skylines,TobiasLohner/SkyLines,Turbo87/skylines,RBE-Avionik/skylines,snip/skylines,shadowoneau/skylines,Turbo87/skylines,skylines-project/skylines,kerel-fs/skylines,TobiasLohner/SkyLines,RBE-Avionik/skylines,Harry-R/skylines,kerel-fs/skylines,skylines-project/skylines,skylines-project/skylines,snip/skylines,snip/skylines,TobiasLohner/SkyLines,shadowoneau/skylines,Turbo87/skylines,Harry-R/skylines,shadowoneau/skylines,shadowoneau/skylines,RBE-Avionik/skylines,Harry-R/skylines,kerel-fs/skylines,RBE-Avionik/skylines,Harry-R/skylines