Fix example showcase (#10366)

# Objective

- One of the patch for CI was not applied anymore
- a temp file has been committed, remove it and gitignore it

.gitignore

@@ -16,3 +16,5 @@ assets/scenes/load_scene_example-new.scn.ron
 assets/**/*.meta
 crates/bevy_asset/imported_assets
 imported_assets
+
+example_showcase_config.ron

example_showcase_config.ron

@@ -1 +0,0 @@
-(exit_after: Some(250))

tools/example-showcase/extra-window-resized-events.patch

@@ -1,16 +1,17 @@
 diff --git a/crates/bevy_winit/src/lib.rs b/crates/bevy_winit/src/lib.rs
-index 46b3e3e19..81ffad2b5 100644
+index 91c9858c7..9f93f05d0 100644
 --- a/crates/bevy_winit/src/lib.rs
 +++ b/crates/bevy_winit/src/lib.rs
-@@ -432,6 +432,11 @@ pub fn winit_runner(mut app: App) {
-                     };
+@@ -510,6 +510,12 @@ pub fn winit_runner(mut app: App) {
  
                  runner_state.window_event_received = true;
+ 
 +                event_writers.window_resized.send(WindowResized {
 +                    window: window_entity,
 +                    width: window.width(),
 +                    height: window.height(),
 +                });
- 
++
                  match event {
                      WindowEvent::Resized(size) => {
+                         window