Use OriginalURL insead of CloneAddr in migration logging (go-gitea#9418)

CloneAddr will contain username and password credentials and they will
get stored in system notices about failed migrations (and logs if trace
is set). Replace with OriginalURL that doesn't have those.

Author: mrsdizzie

modules/migrations/migrate.go

@@ -57,7 +57,7 @@ func MigrateRepository(doer *models.User, ownerName string, opts base.MigrateOpt
 		opts.PullRequests = false
 		opts.GitServiceType = structs.PlainGitService
 		downloader = NewPlainGitDownloader(ownerName, opts.RepoName, opts.CloneAddr)
-		log.Trace("Will migrate from git: %s", opts.CloneAddr)
+		log.Trace("Will migrate from git: %s", opts.OriginalURL)
 	} else if opts.GitServiceType == structs.NotMigrated {
 		opts.GitServiceType = theFactory.GitServiceType()
 	}
@@ -68,7 +68,7 @@ func MigrateRepository(doer *models.User, ownerName string, opts base.MigrateOpt
 			log.Error("rollback failed: %v", err1)
 		}
 
-		if err2 := models.CreateRepositoryNotice(fmt.Sprintf("Migrate repository from %s failed: %v", opts.CloneAddr, err)); err2 != nil {
+		if err2 := models.CreateRepositoryNotice(fmt.Sprintf("Migrate repository from %s failed: %v", opts.OriginalURL, err)); err2 != nil {
 			log.Error("create respotiry notice failed: ", err2)
 		}
 		return nil, err