Initialize grid visibility in appearance panel constructor

Fixes https://gitlab.com/kicad/code/kicad/-/issues/8266

pcbnew/widgets/appearance_controls.cpp

@@ -547,6 +547,9 @@ APPEARANCE_CONTROLS::APPEARANCE_CONTROLS( PCB_BASE_FRAME* aParent, wxWindow* aFo
     rebuildObjects();
     OnBoardChanged();
 
+    // Grid visibility is loaded and set to the GAL before we are constructed
+    SetObjectVisible( LAYER_GRID, m_frame->IsGridVisible() );
+
     Bind( wxEVT_COMMAND_MENU_SELECTED, &APPEARANCE_CONTROLS::OnLayerContextMenu, this,
           ID_CHANGE_COLOR, ID_LAST_VALUE );
 }