chore: Move some rendering-related state into the shell

src/backend/x11.rs

@@ -219,9 +219,7 @@ impl Surface {
             buffer.clone(),
             &mut self.damage_tracker,
             age as usize,
-            &*state.shell.read().unwrap(),
-            &state.config,
-            &state.theme,
+            &state.shell,
             state.clock.now(),
             &self.output,
             render::CursorMode::NotDefault,