Revert "Fix  SceneTreeDock::_selection_changed to handle to single selection from Multiple Selection"
Revert "Fix  SceneTreeDock::_selection_changed to handle to single selection from Multiple Selection"

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