extend filter logic to include parent group

Signed-off-by: Hghtwr <johannes.sonner@outlook.com>

plugins/catalog-backend-module-gitlab/src/__testUtils__/mocks.ts

@@ -2347,7 +2347,7 @@ export const expected_full_members_group_org_scan_entities: MockObject[] = [
         name: 'JohnDoe',
       },
       spec: {
-        memberOf: ['subgroup1'],
+        memberOf: ['group1', 'subgroup1'], // since #26554 also config.group needs to be here.
         profile: {
           displayName: 'John Doe',
           email: 'john.doe@company.com',
@@ -2431,6 +2431,29 @@ export const expected_full_members_group_org_scan_entities: MockObject[] = [
     },
     locationKey: 'GitlabOrgDiscoveryEntityProvider:test-id',
   },
+  {
+    entity: {
+      apiVersion: 'backstage.io/v1alpha1',
+      kind: 'Group',
+      metadata: {
+        annotations: {
+          'backstage.io/managed-by-location': 'url:https://example.com/group1',
+          'backstage.io/managed-by-origin-location':
+            'url:https://example.com/group1',
+          'example.com/team-path': 'group1',
+        },
+        name: 'group1',
+      },
+      spec: {
+        children: [],
+        profile: {
+          displayName: 'group1',
+        },
+        type: 'team',
+      },
+    },
+    locationKey: 'GitlabOrgDiscoveryEntityProvider:test-id',
+  },
   {
     entity: {
       apiVersion: 'backstage.io/v1alpha1',

plugins/catalog-backend-module-gitlab/src/providers/GitlabOrgDiscoveryEntityProvider.ts

@@ -775,7 +775,8 @@ export class GitlabOrgDiscoveryEntityProvider implements EntityProvider {
     return (
       this.config.groupPattern.test(group.full_path) &&
       (!this.config.group ||
-        group.full_path.startsWith(`${this.config.group}/`))
+        group.full_path.startsWith(`${this.config.group}/`) ||
+        group.full_path === this.config.group)
     );
   }