controllers/root: Reduced mapproxy config lookups
controllers/root: Reduced mapproxy config lookups

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