Fix CSG shape generation with meshes without indices, fixes #23364
Fix CSG shape generation with meshes without indices, fixes #23364

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