Fix of #3739 (OSX: set width of "Editing" column

to avoid a column narrowing after a recreating of an application caused by a language changing)

+ Fix related to a bug, reported in #3617, about wrong placement of a "Purging volumes" button
translated to the some languages

src/slic3r/GUI/GUI_ObjectList.cpp

@@ -289,6 +289,7 @@ void ObjectList::create_objects_ctrl()
         GetColumn(colName)->SetWidth(20*em);
         GetColumn(colPrint)->SetWidth(3*em);
         GetColumn(colExtruder)->SetWidth(8*em);
+        GetColumn(colEditing) ->SetWidth(7*em);
     }
 }