[X11] Fix `get_window_position` to return absolute coordinates, change `set_window_position` to take window decorations into account.
[X11] Fix `get_window_position` to return absolute coordinates, change `set_window_position` to take window decorations into account.

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