BakedLightmap: Update gizmo when setting extents.
BakedLightmap: Update gizmo when setting extents.

Fixes #14696.

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