Use the right drag'n drop mouse tooltip when moving a session elsewhere, in the session manager. Fixes issue #3394

source/connections.pas

@@ -695,7 +695,7 @@ begin
       ParentNode := ParentNode.Parent;
     end;
     // Shows the right tooltip on Aero GUI
-    Effect := DROPEFFECT_COPY;
+    Effect := DROPEFFECT_MOVE;
   end;
 end;