Remove space in MeshLibrary editor button

(cherry picked from commit c0f2825f8b46c0d517cd5571d0571693774cc987)

editor/plugins/mesh_library_editor_plugin.cpp

@@ -274,7 +274,7 @@ MeshLibraryEditor::MeshLibraryEditor(EditorNode *p_editor) {
 	menu = memnew(MenuButton);
 	SpatialEditor::get_singleton()->add_control_to_menu_panel(menu);
 	menu->set_position(Point2(1, 1));
-	menu->set_text(TTR("Mesh Library"));
+	menu->set_text(TTR("MeshLibrary"));
 	menu->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("MeshLibrary", "EditorIcons"));
 	menu->get_popup()->add_item(TTR("Add Item"), MENU_OPTION_ADD_ITEM);
 	menu->get_popup()->add_item(TTR("Remove Selected Item"), MENU_OPTION_REMOVE_ITEM);