change scheduling

Signed-off-by: Schmarni <marnistromer@gmail.com>

crates/bevy_openxr/src/openxr/action_set_attaching.rs

@@ -1,4 +1,4 @@
-use crate::resources::OxrSession;
+use crate::session::{OxrSession, OxrSessionStatusEvent};
 use bevy::prelude::*;
 use bevy_xr::session::status_changed_to;
 
@@ -7,7 +7,11 @@ impl Plugin for OxrActionAttachingPlugin {
         app.add_event::<OxrAttachActionSet>();
         app.add_systems(
             PostUpdate,
-            attach_sets.run_if(status_changed_to(bevy_xr::session::XrStatus::Ready)),
+            attach_sets.run_if(|mut session_status_event: EventReader<OxrSessionStatusEvent>| {
+                session_status_event
+                    .read()
+                    .any(|s| *s == OxrSessionStatusEvent::Created)
+            }),
         );
     }
 }