Fix background color rendering on GLES2 (linear should not be used)
Fix background color rendering on GLES2 (linear should not be used)

guilhermefelipecgs/godot,Faless/godot,Valentactive/godot,firefly2442/godot,ZuBsPaCe/godot,Zylann/godot,groud/godot,vkbsb/godot,godotengine/godot,okamstudio/godot,okamstudio/godot,Faless/godot,vkbsb/godot,Valentactive/godot,josempans/godot,ex/godot,ZuBsPaCe/godot,vnen/godot,honix/godot,okamstudio/godot,BastiaanOlij/godot,ex/godot,godotengine/godot,josempans/godot,Faless/godot,Zylann/godot,ex/godot,Valentactive/godot,BastiaanOlij/godot,honix/godot,Shockblast/godot,akien-mga/godot,MarianoGnu/godot,Valentactive/godot,vkbsb/godot,Zylann/godot,josempans/godot,ZuBsPaCe/godot,guilhermefelipecgs/godot,Faless/godot,pkowal1982/godot,vnen/godot,Paulloz/godot,Shockblast/godot,sanikoyes/godot,josempans/godot,firefly2442/godot,DmitriySalnikov/godot,okamstudio/godot,Zylann/godot,pkowal1982/godot,vnen/godot,groud/godot,guilhermefelipecgs/godot,okamstudio/godot,Shockblast/godot,Zylann/godot,BastiaanOlij/godot,Faless/godot,godotengine/godot,Paulloz/godot,vnen/godot,pkowal1982/godot,firefly2442/godot,MarianoGnu/godot,akien-mga/godot,Valentactive/godot,MarianoGnu/godot,sanikoyes/godot,BastiaanOlij/godot,vkbsb/godot,groud/godot,okamstudio/godot,vnen/godot,sanikoyes/godot,MarianoGnu/godot,pkowal1982/godot,Valentactive/godot,ZuBsPaCe/godot,DmitriySalnikov/godot,DmitriySalnikov/godot,guilhermefelipecgs/godot,firefly2442/godot,godotengine/godot,akien-mga/godot,guilhermefelipecgs/godot,vkbsb/godot,Faless/godot,pkowal1982/godot,Paulloz/godot,honix/godot,Faless/godot,honix/godot,ex/godot,vnen/godot,Paulloz/godot,Shockblast/godot,ex/godot,BastiaanOlij/godot,ZuBsPaCe/godot,BastiaanOlij/godot,firefly2442/godot,Valentactive/godot,groud/godot,godotengine/godot,sanikoyes/godot,firefly2442/godot,DmitriySalnikov/godot,MarianoGnu/godot,josempans/godot,groud/godot,BastiaanOlij/godot,Shockblast/godot,vkbsb/godot,Shockblast/godot,josempans/godot,honix/godot,MarianoGnu/godot,sanikoyes/godot,DmitriySalnikov/godot,firefly2442/godot,groud/godot,josempans/godot,Paulloz/godot,pkowal1982/godot,Shockblast/godot,DmitriySalnikov/godot,akien-mga/godot,guilhermefelipecgs/godot,ex/godot,BastiaanOlij/godot,ex/godot,ex/godot,Paulloz/godot,okamstudio/godot,honix/godot,pkowal1982/godot,Zylann/godot,vnen/godot,Shockblast/godot,MarianoGnu/godot,akien-mga/godot,godotengine/godot,okamstudio/godot,Paulloz/godot,godotengine/godot,MarianoGnu/godot,DmitriySalnikov/godot,akien-mga/godot,sanikoyes/godot,ZuBsPaCe/godot,firefly2442/godot,ZuBsPaCe/godot,okamstudio/godot,akien-mga/godot,josempans/godot,Valentactive/godot,vkbsb/godot,sanikoyes/godot,Zylann/godot,Zylann/godot,guilhermefelipecgs/godot,okamstudio/godot,guilhermefelipecgs/godot,godotengine/godot,ZuBsPaCe/godot,vkbsb/godot,vnen/godot,sanikoyes/godot,pkowal1982/godot,akien-mga/godot,Faless/godot