Can not choose branch after create PR

[melmus]

• Gitea version (or commit ref):
  1.13.0+dev-600-g4f8dad37f

• Git version host system:
  2.17.1

• Git version in docker gitea_server_1:
  2.26.2

• Operating system:
  Ubuntu 18.04.3 LTS

• Database (use [x]):

  • PostgreSQL
  • MySQL
  • MSSQL
  • SQLite

• Can you reproduce the bug at https://try.gitea.io:

  • Yes (provide example URL)
  • No
  • Not relevant

• Log gist:

Description

After created Pull request, I can not choose another branch to merge changes.

Screenshots

[bagasme]

@melmus I can't reproduce the issue on current master (a9decf0)

[bagasme]

@melmus bisecting between current master and your reported commit (g4f8dad37f), the commit 4728934 may solve this issue. can you please try?

[melmus]

@bagasme, ok, I will try to learn this issue

[melmus]

@bagasme, you right, problem solved

[6543]

☝️ close this issue now

[6543]

@melmus thanks for testing & reporting errors :)