Autolinking doesn't work in repo view/commits view but works inside a commit

[adjurk]

• Gitea version (or commit ref): 1.8.2+
• Git version: git version 2.11.0
• Operating system: Debian 9.6
• Database (use [x]):
  • PostgreSQL
  • MySQL
  • MSSQL
  • SQLite
• Can you reproduce the bug at https://try.gitea.io:
  • Yes (provide example URL):
    • Works here: https://try.gitea.io/usertest123/Testrepo12345/commit/9f32a1874aa6f0cf923917ca7543a47d5091d2ab
    • Does not work here: https://try.gitea.io/usertest123/Testrepo12345
  • No
  • Not relevant
• Log gist: N/A

Description

Enabling external issue tracker with numeric number format does not link to the issue (where it did in previous versions, such as 1.7.2)
...

Screenshots

How it looks in a repo:

How it looks in a commit list:

Works properly inside a specific commit:

[mrsdizzie]

This is duplicate of #7121 (which also has discussion of why that was changed).