Add support for groups that have only digits in their names and contain no alphabetic characters (#467)

* replace the search for OWNER
first search for OWNER type of group
afterwards search for OWNER type of user

* fix identification by running mvn spotless:apply

Author: DudyShavit

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

@@ -960,13 +960,13 @@ public ListBoxModel doFillProjectPathItems(
                     return new StandardListBoxModel().includeEmptyValue();
                 }
                 try {
-                    for (Project p : gitLabApi
-                            .getProjectApi()
-                            .getUserProjects(projectOwner, new ProjectFilter().withOwned(true))) {
+                    for (Project p : gitLabApi.getGroupApi().getProjects(projectOwner)) {
                         result.add(p.getPathWithNamespace());
                     }
                 } catch (GitLabApiException e) {
-                    for (Project p : gitLabApi.getGroupApi().getProjects(projectOwner)) {
+                    for (Project p : gitLabApi
+                            .getProjectApi()
+                            .getUserProjects(projectOwner, new ProjectFilter().withOwned(true))) {
                         result.add(p.getPathWithNamespace());
                     }
                 }