Check examples screenshots on windows (#16010)

# Objective

- Checks screenshots on Windows
- Progress towards #15918 

## Solution

- Checks screenshots on Windows
- Also disable the helmet gltf scene in windows ci as it doesn't work

.github/workflows/validation-jobs.yml

@@ -148,7 +148,8 @@ jobs:
     secrets: inherit
 
   run-examples-on-windows-dx12:
-    if: ${{ github.event_name == 'merge_group' }}
+    # also run when pushed to main to update reference screenshots
+    if: ${{ github.event_name != 'pull_request' }}
     runs-on: windows-latest
     timeout-minutes: 30
     steps:
@@ -191,6 +192,17 @@ jobs:
           name: example-run-windows
           path: example-run/
 
+  compare-windows-screenshots:
+    name: Compare Windows screenshots
+    needs: [run-examples-on-windows-dx12]
+    uses: ./.github/workflows/send-screenshots-to-pixeleagle.yml
+    with:
+      commit: ${{ github.sha }}
+      branch: ${{ github.ref_name }}
+      artifact: screenshots-windows
+      os: windows
+    secrets: inherit
+
   run-examples-on-wasm:
     if: ${{ github.event_name == 'merge_group' }}
     runs-on: ubuntu-22.04

examples/testbed/3d.rs

@@ -12,13 +12,13 @@ fn main() {
         .init_state::<Scene>()
         .enable_state_scoped_entities::<Scene>()
         .add_systems(OnEnter(Scene::Light), light::setup)
-        .add_systems(OnEnter(Scene::Gltf), gltf::setup)
         .add_systems(OnEnter(Scene::Animation), animation::setup)
         .add_systems(Update, switch_scene);
 
     // Those scenes don't work in CI on Windows runners
     #[cfg(not(all(feature = "bevy_ci_testing", target_os = "windows")))]
-    app.add_systems(OnEnter(Scene::Bloom), bloom::setup);
+    app.add_systems(OnEnter(Scene::Bloom), bloom::setup)
+        .add_systems(OnEnter(Scene::Gltf), gltf::setup);
 
     app.run();
 }