Fix crash when trying to access the guid of an unavailable Gamepad.
Fix crash when trying to access the guid of an unavailable Gamepad.

Throws an error now.

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