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);
     }
 }
 

src/slic3r/GUI/OptionsGroup.cpp

@@ -129,7 +129,8 @@ void OptionsGroup::append_line(const Line& line, wxStaticText**	full_Label/* = n
 		m_options.emplace(opt.opt_id, opt);
 
 	// Set sidetext width for a better alignment of options in line
-	if (option_set.size() > 1) {
+	// "m_show_modified_btns==true" means that options groups are in tabs
+	if (option_set.size() > 1 && m_show_modified_btns) {
 		sidetext_width = Field::def_width_thinner();
 		/* Temporary commented till UI-review will be completed
 		if (m_show_modified_btns) // means that options groups are in tabs