Make sure that the resource previewer does not hang on exit
Make sure that the resource previewer does not hang on exit

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