Update Viewport.xml
Update Viewport.xml

Add description for gui_is_dragging to document drag and drop behavior.
vkbsb/godot,pkowal1982/godot,pkowal1982/godot,Faless/godot,Valentactive/godot,Shockblast/godot,honix/godot,Valentactive/godot,BastiaanOlij/godot,guilhermefelipecgs/godot,MarianoGnu/godot,sanikoyes/godot,ex/godot,Zylann/godot,ex/godot,firefly2442/godot,vkbsb/godot,godotengine/godot,josempans/godot,josempans/godot,firefly2442/godot,vnen/godot,Shockblast/godot,Zylann/godot,guilhermefelipecgs/godot,ZuBsPaCe/godot,vkbsb/godot,Shockblast/godot,godotengine/godot,vnen/godot,sanikoyes/godot,BastiaanOlij/godot,akien-mga/godot,vkbsb/godot,Faless/godot,vnen/godot,godotengine/godot,pkowal1982/godot,vkbsb/godot,Paulloz/godot,godotengine/godot,vnen/godot,DmitriySalnikov/godot,akien-mga/godot,akien-mga/godot,akien-mga/godot,Faless/godot,guilhermefelipecgs/godot,vkbsb/godot,Valentactive/godot,josempans/godot,guilhermefelipecgs/godot,Zylann/godot,sanikoyes/godot,BastiaanOlij/godot,MarianoGnu/godot,MarianoGnu/godot,josempans/godot,Valentactive/godot,DmitriySalnikov/godot,akien-mga/godot,DmitriySalnikov/godot,vkbsb/godot,pkowal1982/godot,honix/godot,Faless/godot,akien-mga/godot,godotengine/godot,sanikoyes/godot,honix/godot,Faless/godot,sanikoyes/godot,Paulloz/godot,DmitriySalnikov/godot,MarianoGnu/godot,honix/godot,MarianoGnu/godot,honix/godot,guilhermefelipecgs/godot,firefly2442/godot,sanikoyes/godot,guilhermefelipecgs/godot,vnen/godot,ZuBsPaCe/godot,ZuBsPaCe/godot,ZuBsPaCe/godot,firefly2442/godot,ex/godot,BastiaanOlij/godot,firefly2442/godot,ZuBsPaCe/godot,MarianoGnu/godot,DmitriySalnikov/godot,Zylann/godot,Valentactive/godot,Zylann/godot,Faless/godot,akien-mga/godot,ex/godot,pkowal1982/godot,Paulloz/godot,pkowal1982/godot,ZuBsPaCe/godot,vnen/godot,pkowal1982/godot,DmitriySalnikov/godot,ex/godot,vkbsb/godot,Paulloz/godot,vnen/godot,ex/godot,josempans/godot,Shockblast/godot,godotengine/godot,ex/godot,ZuBsPaCe/godot,guilhermefelipecgs/godot,ZuBsPaCe/godot,Zylann/godot,akien-mga/godot,firefly2442/godot,sanikoyes/godot,josempans/godot,BastiaanOlij/godot,sanikoyes/godot,honix/godot,josempans/godot,vnen/godot,guilhermefelipecgs/godot,firefly2442/godot,BastiaanOlij/godot,Shockblast/godot,Zylann/godot,Valentactive/godot,BastiaanOlij/godot,Faless/godot,Paulloz/godot,firefly2442/godot,josempans/godot,ex/godot,pkowal1982/godot,Valentactive/godot,Shockblast/godot,Shockblast/godot,MarianoGnu/godot,Zylann/godot,godotengine/godot,Paulloz/godot,Shockblast/godot,Faless/godot,DmitriySalnikov/godot,Paulloz/godot,MarianoGnu/godot,BastiaanOlij/godot,Valentactive/godot,godotengine/godot