Duplicated issue will be created if issue creation button clicked multiple times

[NateScarlet]

• Git version: 1.9.0+dev-207-gdab38c375
• Operating system: Windows7 / Chrome 74
• Database (use [x]):
  • PostgreSQL
  • MySQL
  • MSSQL
  • SQLite
• Can you reproduce the bug at https://try.gitea.io:
  • Yes (provide example URL): https://try.gitea.io/NateScarlet/test/issues
  • No
  • Not relevant

Description

Current version has no loading indicator and submit button is not disabled after first submit,
therefore user may accidently send multiple isssue creation request for same issue

Screenshots

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs during the next 2 weeks. Thank you for your contributions.

[wxiaoguang]

Duplicate of

• Click buttons quickly in some forms will submit repeated/duplicated requests #17111 (with more details)