Allow Masonry to compile in release mode (#431)

Cc @xStrom for the CI change

Cc @PoignardAzur for the Masonry changes

.github/workflows/ci.yml

@@ -112,6 +112,11 @@ jobs:
       - name: cargo clippy (auxiliary)
         run: cargo hack clippy --workspace --locked --each-feature --optional-deps --tests --benches --examples -- -D warnings
 
+      # Verify that we can build in release mode
+      # TODO: Find a way for this to share artifacts with the above job?
+      - name: cargo clippy (release)
+        run: cargo clippy --release --workspace --locked --all-targets -- -D warnings
+
   clippy-stable-wasm:
     name: cargo clippy (wasm32)
     runs-on: ubuntu-latest
@@ -139,6 +144,11 @@ jobs:
       - name: cargo clippy (auxiliary)
         run: cargo hack clippy --workspace ${{ env.NO_WASM_PKGS }} --locked --target wasm32-unknown-unknown --each-feature --optional-deps --tests --benches --examples -- -D warnings
 
+      # Verify that we can build in release mode
+      # TODO: Find a way for this to share artifacts with the above job?
+      - name: cargo clippy (release)
+        run: cargo clippy --release --workspace ${{ env.NO_WASM_PKGS }} --locked --target wasm32-unknown-unknown --all-targets -- -D warnings
+
   test-stable:
     name: cargo test
     runs-on: ${{ matrix.os }}

masonry/src/widget/widget_pod.rs

@@ -889,7 +889,8 @@ impl<W: Widget> WidgetPod<W> {
             .local_paint_rect
             .union(new_size.to_rect() + state.paint_insets);
 
-        if cfg!(debug_assertions) {
+        #[cfg(debug_assertions)]
+        {
             for child_id in widget.children_ids() {
                 let child_id = child_id.to_raw();
                 let (child_state, _) = state_token