model/airport: Made ICAO code searchable too
model/airport: Made ICAO code searchable too

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