Improve the shader error console output
Improve the shader error console output

This makes the line gutter look more like an actual line gutter,
which makes it less confusing.

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