Post URLs require the title slug

[official-sounding]

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

1. Go to https://ask.metastaging.net/345/commodi-rerum-nihil-laborum-et-quis
2. Click on change URL to https://ask.metastaging.net/345
3. Get a 404 Not Found page

Expected behavior
The server performs a 301 Moved Permanently redirect to the URL in step 1

Desktop (please complete the following information):

• OS: Windows 11
• Browser Firefox
• Version 138

[wrose504]

Interestingly they don't require the right slug, just a slug. Browsing to https://ask.metastaging.net/345/hey-you works.