In Admin, Permissions 'Allow tag editing' has a default value of 'Custom'

[deebug]

Bug Report

Current Behavior
Using a fresh install, 'Allow tag editing' has 'Custom' as default. You can change to 'Indefinitely', 'For 10 minutes' and 'Until next reply'. However there is no way of reverting to Custom or knowing what Custom actually holds.

Steps to Reproduce

1. Log in as admin
2. Go to 'Administration', 'Permissions'
3. Scroll down to 'Allow tag editing'
4. Click on custom

Expected Behavior
To be determined.

Screenshots

Environment

• Flarum version: 1.2dev (also confirmed on 1.1.1)
• Website URL: n/a
• Webserver: apache
• Hosting environment: local
• PHP version: 8.1.1
• Browser: any

[clarkwinkelmann]

It seems like no default value is set in the database for setting allow_tag_change. So it's read as zero which isn't an option in the dropdown, so it shows "Custom".