Add Graphic Attributes palette toggle and persistence

src/ui/ribbon/widgets.rs

@@ -37,6 +37,7 @@ pub(super) struct ToggleState {
     pub show_viewcube: bool,
     pub show_ucs_icon: bool,
     pub show_properties: bool,
+    pub show_graphic_attributes: bool,
     pub show_block_palette: bool,
     pub show_file_tabs: bool,
     pub show_layout_tabs: bool,
@@ -374,6 +375,7 @@ pub(super) fn is_active_tool(
         "NAVVCUBE" => state.show_viewcube,
         "UCSICON" => state.show_ucs_icon,
         "PROPERTIES" => state.show_properties,
+        "GRAPHICATTRIBUTES" => state.show_graphic_attributes,
         "BLOCKPALETTE" => state.show_block_palette,
         "FILETAB" => state.show_file_tabs,
         "LAYOUTTAB" => state.show_layout_tabs,