Fix relations argument declaration for getGroupMembers query and fix relation for fetching SaaS users

Signed-off-by: Stephen Barry <sbarry@poppulo.com>

plugins/catalog-backend-module-gitlab/src/lib/client.ts

@@ -188,7 +188,7 @@ export class GitLabClient {
           },
           body: JSON.stringify({
             variables: { group: groupPath, relations: relations, endCursor },
-            query: `query getGroupMembers($group: ID!, $endCursor: String) {
+            query: `query getGroupMembers($group: ID!, $relations: GroupMemberRelation!, $endCursor: String) {
               group(fullPath: $group) {
                 groupMembers(first: 100, relations: [$relations], after: $endCursor) {
                   nodes {

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

@@ -191,10 +191,7 @@ export class GitlabOrgDiscoveryEntityProvider implements EntityProvider {
     } else {
       groups = (await client.listDescendantGroups(this.config.group)).items;
       users = (
-        await client.getGroupMembers(
-          this.config.group.split('/')[0],
-          'DIRECT, DESCENDANTS',
-        )
+        await client.getGroupMembers(this.config.group.split('/')[0], 'DIRECT')
       ).items;
     }