Warning: missing IDs in `observer_propagation`

[oscar-benderstone]

Bevy version: commit 8e1d005

[Optional] Relevant system information

• cargo 1.89.0-nightly (64a124607 2025-05-30)
• OS: Asahi Fedora Linux 42, M1 Max (2021)

What you did

I ran examples/observer_propagation.rs

What went wrong

• What I was expecting: no warnings.
• What actually happened: at the end of the program, I get this.

Second log (with track_location enabled):