Fix broken oauth2 authentication source edit page (#18412)
Fix broken oauth2 authentication source edit page (#18412)

It appears that there was a broken merge of the edit.tmpl page during the merge
of #16594 - I am not entirely sure how this happened as the PR was correct.

This PR fixes the broken template.

Fix #18388

Signed-off-by: Andrew Thornton <6a547fdd28db89120bdd70d4af1f9ba672ccd43a@cantab.net>
go-gitea/gitea,go-gitea/gitea,go-gitea/gitea