GitHub presence assumes PR is in discussion tab

[0x57e11a]

Steps to Reproduce

1. Go to a PR
2. Go to a different tab of the PR (anything but discussion)
3. Open Developer Tools Console
4. O b s e r v e

Expected Behavior

No exceptions should be thrown

Actual Behavior

Exceptions are constantly thrown.

Page URL

rust-lang/rust#72189

Screenshots

https://i.imgur.com/QDncQL2.png

Operating System

Windows 10

Browser and Version

Chrome 108.0.5359.95 (Official Build) (64-bit) (cohort: 108_control_96)

Additional Comments

No response