older build can potentially have sshRemote and httpRemote unsaved due to previous transient field.

Author: jetersen

src/main/java/io/jenkins/plugins/gitlabbranchsource/GitLabSCMSource.java

@@ -201,6 +201,8 @@ protected Project getGitlabProject(GitLabApi gitLabApi) {
         if (gitlabProject == null) {
             try {
                 gitlabProject = gitLabApi.getProjectApi().getProject(projectPath);
+                sshRemote = gitlabProject.getSshUrlToRepo();
+                httpRemote = gitlabProject.getHttpUrlToRepo();
             } catch (GitLabApiException e) {
                 throw new IllegalStateException("Failed to retrieve project " + projectPath, e);
             }