Detect camera projection changes (bevyengine#2015)

Author: TheRawMeatball

crates/bevy_render/src/camera/camera.rs

@@ -99,7 +99,10 @@ pub fn camera_system<T: CameraProjection + Component>(
     }
     for (entity, mut camera, mut camera_projection) in queries.q0_mut().iter_mut() {
         if let Some(window) = windows.get(camera.window) {
-            if changed_window_ids.contains(&window.id()) || added_cameras.contains(&entity) {
+            if changed_window_ids.contains(&window.id())
+                || added_cameras.contains(&entity)
+                || camera_projection.is_changed()
+            {
                 camera_projection.update(window.width(), window.height());
                 camera.projection_matrix = camera_projection.get_projection_matrix();
                 camera.depth_calculation = camera_projection.depth_calculation();