fix(compositor): pass Output by value to initialize_output

From<Output> for OutputModeSource is more reliably implemented than
From<&Output>, avoiding a potential type mismatch on Linux CI.

crates/weft-compositor/src/backend/drm.rs

@@ -496,7 +496,7 @@ fn connector_connected(
         crtc,
         mode,
         &[connector.handle()],
-        &output,
+        output.clone(),
         planes,
         &mut renderer,
         &DrmOutputRenderElements::default(),