Move Vulkan context/rendering_device destruction to windowWillClose notification.
Move Vulkan context/rendering_device destruction to windowWillClose notification.

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