don't eat keys while building is being renamed

allows buildingplan to prevent unsuspension of planned buildings without
also eating the 's' key when the user is trying to use it to give the
building a custom name.

plugins/buildingplan.cpp

@@ -431,7 +431,7 @@ struct buildingplan_query_hook : public df::viewscreen_dwarfmodest
 
     bool handleInput(set<df::interface_key> *input)
     {
-        if (!isInPlannedBuildingQueryMode())
+        if (!isInPlannedBuildingQueryMode() || Gui::inRenameBuilding())
             return false;
 
         initStatics();