Fix own world option of Viewport.   It happens when the viewport has WorldEnviroment child with a valid Enviroment
Fix own world option of Viewport.
  It happens when the viewport has WorldEnviroment child with a valid Enviroment

RebelliousX/Go_Dot,pkowal1982/godot,zicklag/godot,vnen/godot,honix/godot,NateWardawg/godot,godotengine/godot,Zylann/godot,Zylann/godot,Zylann/godot,akien-mga/godot,vnen/godot,pkowal1982/godot,honix/godot,guilhermefelipecgs/godot,jejung/godot,Zylann/godot,huziyizero/godot,NateWardawg/godot,n-pigeon/godot,godotengine/godot,TheHX/godot,n-pigeon/godot,firefly2442/godot,vkbsb/godot,ZuBsPaCe/godot,Shockblast/godot,Shockblast/godot,ZuBsPaCe/godot,ex/godot,sanikoyes/godot,vkbsb/godot,MarianoGnu/godot,FateAce/godot,DmitriySalnikov/godot,BastiaanOlij/godot,Marqin/godot,rollenrolm/godot,ficoos/godot,josempans/godot,Paulloz/godot,exabon/godot,mcanders/godot,Marqin/godot,MrMaidx/godot,DmitriySalnikov/godot,ageazrael/godot,RandomShaper/godot,zicklag/godot,exabon/godot,morrow1nd/godot,guilhermefelipecgs/godot,zicklag/godot,Valentactive/godot,ZuBsPaCe/godot,tomreyn/godot,akien-mga/godot,Valentactive/godot,Paulloz/godot,groud/godot,ZuBsPaCe/godot,MarianoGnu/godot,exabon/godot,sanikoyes/godot,exabon/godot,vkbsb/godot,sanikoyes/godot,rollenrolm/godot,morrow1nd/godot,mcanders/godot,godotengine/godot,Valentactive/godot,Zylann/godot,Max-Might/godot,firefly2442/godot,BastiaanOlij/godot,BastiaanOlij/godot,jejung/godot,DmitriySalnikov/godot,Zylann/godot,sanikoyes/godot,huziyizero/godot,ageazrael/godot,n-pigeon/godot,guilhermefelipecgs/godot,pixelpicosean/my-godot-2.1,Marqin/godot,vnen/godot,akien-mga/godot,vnen/godot,jejung/godot,MrMaidx/godot,groud/godot,Brickcaster/godot,akien-mga/godot,BastiaanOlij/godot,Marqin/godot,sanikoyes/godot,okamstudio/godot,gau-veldt/godot,honix/godot,RandomShaper/godot,guilhermefelipecgs/godot,huziyizero/godot,vkbsb/godot,ex/godot,godotengine/godot,MrMaidx/godot,MarianoGnu/godot,tomreyn/godot,NateWardawg/godot,Brickcaster/godot,vnen/godot,ZuBsPaCe/godot,ZuBsPaCe/godot,RandomShaper/godot,zicklag/godot,TheHX/godot,DmitriySalnikov/godot,Brickcaster/godot,mcanders/godot,guilhermefelipecgs/godot,Faless/godot,Marqin/godot,godotengine/godot,jejung/godot,RandomShaper/godot,ageazrael/godot,Shockblast/godot,Max-Might/godot,vnen/godot,zicklag/godot,Valentactive/godot,Brickcaster/godot,ageazrael/godot,pkowal1982/godot,honix/godot,okamstudio/godot,firefly2442/godot,mcanders/godot,firefly2442/godot,RebelliousX/Go_Dot,pkowal1982/godot,n-pigeon/godot,RebelliousX/Go_Dot,rollenrolm/godot,vkbsb/godot,Shockblast/godot,RandomShaper/godot,groud/godot,groud/godot,okamstudio/godot,MrMaidx/godot,jejung/godot,Shockblast/godot,rollenrolm/godot,ex/godot,godotengine/godot,MarianoGnu/godot,morrow1nd/godot,akien-mga/godot,pkowal1982/godot,josempans/godot,zicklag/godot,MarianoGnu/godot,vkbsb/godot,pixelpicosean/my-godot-2.1,RandomShaper/godot,Valentactive/godot,jejung/godot,vnen/godot,josempans/godot,honix/godot,n-pigeon/godot,Valentactive/godot,FateAce/godot,Brickcaster/godot,godotengine/godot,ficoos/godot,morrow1nd/godot,godotengine/godot,honix/godot,exabon/godot,huziyizero/godot,Marqin/godot,MrMaidx/godot,tomreyn/godot,firefly2442/godot,Paulloz/godot,akien-mga/godot,Max-Might/godot,sanikoyes/godot,Faless/godot,Shockblast/godot,pixelpicosean/my-godot-2.1,ex/godot,ZuBsPaCe/godot,BastiaanOlij/godot,ficoos/godot,pkowal1982/godot,okamstudio/godot,ageazrael/godot,gau-veldt/godot,Paulloz/godot,Shockblast/godot,morrow1nd/godot,okamstudio/godot,okamstudio/godot,FateAce/godot,vkbsb/godot,ficoos/godot,okamstudio/godot,Faless/godot,NateWardawg/godot,firefly2442/godot,gau-veldt/godot,morrow1nd/godot,okamstudio/godot,MrMaidx/godot,okamstudio/godot,Faless/godot,guilhermefelipecgs/godot,josempans/godot,Valentactive/godot,Brickcaster/godot,FateAce/godot,mcanders/godot,Zylann/godot,Faless/godot,DmitriySalnikov/godot,Max-Might/godot,Zylann/godot,josempans/godot,Faless/godot,gau-veldt/godot,ageazrael/godot,pixelpicosean/my-godot-2.1,Paulloz/godot,Faless/godot,ex/godot,BastiaanOlij/godot,pixelpicosean/my-godot-2.1,ex/godot,vnen/godot,MarianoGnu/godot,DmitriySalnikov/godot,FateAce/godot,mcanders/godot,sanikoyes/godot,NateWardawg/godot,Valentactive/godot,n-pigeon/godot,n-pigeon/godot,NateWardawg/godot,josempans/godot,pkowal1982/godot,okamstudio/godot,huziyizero/godot,Brickcaster/godot,DmitriySalnikov/godot,guilhermefelipecgs/godot,MarianoGnu/godot,RebelliousX/Go_Dot,exabon/godot,sanikoyes/godot,BastiaanOlij/godot,Faless/godot,groud/godot,ficoos/godot,ZuBsPaCe/godot,ficoos/godot,akien-mga/godot,ageazrael/godot,tomreyn/godot,firefly2442/godot,TheHX/godot,TheHX/godot,firefly2442/godot,josempans/godot,Max-Might/godot,pkowal1982/godot,vkbsb/godot,FateAce/godot,guilhermefelipecgs/godot,BastiaanOlij/godot,MarianoGnu/godot,NateWardawg/godot,TheHX/godot,groud/godot,NateWardawg/godot,rollenrolm/godot,ex/godot,NateWardawg/godot,Paulloz/godot,tomreyn/godot,RandomShaper/godot,Paulloz/godot,Max-Might/godot,gau-veldt/godot,Shockblast/godot,RebelliousX/Go_Dot,josempans/godot,RebelliousX/Go_Dot,ex/godot,akien-mga/godot