Control faces and inset plates take a Material (cce-ui RFC material, step 2c)

ControlPlate::control takes Option<Material> and inset_plate
Option<&Material>; Material::face decodes the colour each site held
(transparent = no face), so nothing on screen moves. cce-ui@cc36c1f.

Co-Authored-By: Claude Fable 5.1 <[email protected]>

 src/main.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 7e0e8ed..fe39bb9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3980,7 +3980,7 @@ impl Application for ClearEmailApp {
         )
         .with_font_family(&bar_font)
         .with_flat(true)
-        .with_face(pane_fill());
+        .with_face(cce_ui::scene::Material::from_fill(pane_fill()));
 
         let mut search_box = TextBox::new(String::new())
             .with_multiline(false)
@@ -4016,7 +4016,7 @@ impl Application for ClearEmailApp {
         )
         .with_font_family(&bar_font)
         .with_flat(true)
-        .with_face(pane_fill());
+        .with_face(cce_ui::scene::Material::from_fill(pane_fill()));
 
         let mut detail_body = TextBox::new(String::new()).with_multiline(true).with_draw_bg_border(false);
         detail_body.font_size = 12.0;