Add context.Context to more methods (#21546)

This PR adds a context parameter to a bunch of methods. Some helper
`xxxCtx()` methods got replaced with the normal name now.

Co-authored-by: delvh <dev.lh@web.de>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

services/repository/template.go

@@ -101,7 +101,7 @@ func GenerateRepository(doer, owner *user_model.User, templateRepo *repo_model.R
 		return nil, err
 	}
 
-	notification.NotifyCreateRepository(doer, owner, generateRepo)
+	notification.NotifyCreateRepository(db.DefaultContext, doer, owner, generateRepo)
 
 	return generateRepo, nil
 }