Fix `Color::get_{r,g,b,a}8`
Fix `Color::get_{r,g,b,a}8`

Closes #47022.

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