Only select a group first in editor mode.

code/nel/src/gui/widget_manager.cpp

@@ -2407,6 +2407,8 @@ namespace NLGUI
 				// must not capture a new element if a sheet is currentlty being dragged.
 				// This may happen when alt-tab has been used => the sheet is dragged but the left button is up
 				if (!CCtrlDraggable::getDraggedSheet())
+				{
+					if( CInterfaceElement::getEditorMode() )
 					{
 						for( sint32 i = _GroupsUnderPointer.size() - 1; i >= 0; i-- )
 						{
@@ -2418,6 +2420,7 @@ namespace NLGUI
 								break;
 							}
 						}
+					}
 
 					if( !captured )
 					{