Fix inversed check inside register_singleton
Fix inversed check inside register_singleton

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