Move the brightness factor for highlighted 3D gizmos to a variable
Move the brightness factor for highlighted 3D gizmos to a variable

See
https://github.com/godotengine/godot/commit/8522ac77113c3d5239ff4c6cd74ab7b92e1ee663#r45230326.

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