X11: Fix gamepads not being added whith udev.
X11: Fix gamepads not being added whith udev.

Seems like this property isn't present on some gamepads...
Fixes #10958

sanikoyes/godot,Shockblast/godot,Valentactive/godot,zicklag/godot,vkbsb/godot,firefly2442/godot,ex/godot,Faless/godot,sanikoyes/godot,Brickcaster/godot,RandomShaper/godot,n-pigeon/godot,ZuBsPaCe/godot,DmitriySalnikov/godot,okamstudio/godot,ageazrael/godot,honix/godot,groud/godot,guilhermefelipecgs/godot,n-pigeon/godot,ex/godot,Brickcaster/godot,NateWardawg/godot,MarianoGnu/godot,RandomShaper/godot,firefly2442/godot,mcanders/godot,Valentactive/godot,godotengine/godot,pkowal1982/godot,guilhermefelipecgs/godot,DmitriySalnikov/godot,jejung/godot,ZuBsPaCe/godot,honix/godot,akien-mga/godot,pkowal1982/godot,pkowal1982/godot,n-pigeon/godot,Faless/godot,Zylann/godot,vnen/godot,Faless/godot,FateAce/godot,NateWardawg/godot,jejung/godot,guilhermefelipecgs/godot,jejung/godot,okamstudio/godot,RandomShaper/godot,mcanders/godot,ZuBsPaCe/godot,ZuBsPaCe/godot,vkbsb/godot,josempans/godot,Zylann/godot,ex/godot,Shockblast/godot,groud/godot,godotengine/godot,BastiaanOlij/godot,Shockblast/godot,vkbsb/godot,Paulloz/godot,josempans/godot,n-pigeon/godot,sanikoyes/godot,BastiaanOlij/godot,zicklag/godot,vnen/godot,Shockblast/godot,groud/godot,Zylann/godot,DmitriySalnikov/godot,firefly2442/godot,guilhermefelipecgs/godot,pkowal1982/godot,ageazrael/godot,okamstudio/godot,josempans/godot,guilhermefelipecgs/godot,sanikoyes/godot,pkowal1982/godot,MarianoGnu/godot,akien-mga/godot,Shockblast/godot,NateWardawg/godot,ex/godot,vkbsb/godot,akien-mga/godot,NateWardawg/godot,MarianoGnu/godot,okamstudio/godot,okamstudio/godot,godotengine/godot,josempans/godot,honix/godot,josempans/godot,Valentactive/godot,Paulloz/godot,akien-mga/godot,FateAce/godot,vkbsb/godot,vnen/godot,RandomShaper/godot,FateAce/godot,vnen/godot,pkowal1982/godot,sanikoyes/godot,Paulloz/godot,zicklag/godot,groud/godot,mcanders/godot,pkowal1982/godot,FateAce/godot,honix/godot,MarianoGnu/godot,honix/godot,godotengine/godot,BastiaanOlij/godot,okamstudio/godot,Valentactive/godot,akien-mga/godot,RandomShaper/godot,ex/godot,sanikoyes/godot,MarianoGnu/godot,FateAce/godot,Faless/godot,vnen/godot,vnen/godot,RandomShaper/godot,Brickcaster/godot,ex/godot,godotengine/godot,okamstudio/godot,MarianoGnu/godot,NateWardawg/godot,firefly2442/godot,ex/godot,zicklag/godot,vkbsb/godot,ZuBsPaCe/godot,Paulloz/godot,okamstudio/godot,ageazrael/godot,MarianoGnu/godot,ZuBsPaCe/godot,groud/godot,jejung/godot,okamstudio/godot,Faless/godot,vkbsb/godot,Zylann/godot,firefly2442/godot,mcanders/godot,BastiaanOlij/godot,firefly2442/godot,Valentactive/godot,Brickcaster/godot,jejung/godot,n-pigeon/godot,vnen/godot,godotengine/godot,josempans/godot,BastiaanOlij/godot,Shockblast/godot,godotengine/godot,Zylann/godot,sanikoyes/godot,ageazrael/godot,akien-mga/godot,Valentactive/godot,vkbsb/godot,groud/godot,Brickcaster/godot,ex/godot,guilhermefelipecgs/godot,pkowal1982/godot,guilhermefelipecgs/godot,Valentactive/godot,Zylann/godot,mcanders/godot,Valentactive/godot,ZuBsPaCe/godot,godotengine/godot,BastiaanOlij/godot,Zylann/godot,guilhermefelipecgs/godot,Faless/godot,zicklag/godot,MarianoGnu/godot,akien-mga/godot,mcanders/godot,okamstudio/godot,Shockblast/godot,akien-mga/godot,ageazrael/godot,firefly2442/godot,jejung/godot,DmitriySalnikov/godot,NateWardawg/godot,Brickcaster/godot,zicklag/godot,Paulloz/godot,n-pigeon/godot,BastiaanOlij/godot,FateAce/godot,Shockblast/godot,Paulloz/godot,NateWardawg/godot,RandomShaper/godot,sanikoyes/godot,ZuBsPaCe/godot,DmitriySalnikov/godot,josempans/godot,Paulloz/godot,Zylann/godot,ageazrael/godot,DmitriySalnikov/godot,NateWardawg/godot,honix/godot,josempans/godot,Faless/godot,DmitriySalnikov/godot,firefly2442/godot,NateWardawg/godot,ageazrael/godot,Faless/godot,BastiaanOlij/godot,n-pigeon/godot,Brickcaster/godot,vnen/godot