Fix api_token not being updated (#4912)

# What this PR does
Fixes organization api_token not being updated when it differs from what
is stored in the DB.

## Which issue(s) this PR closes

Related to [issue link here]

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## Checklist

- [x] Unit, integration, and e2e (if applicable) tests updated
- [x] Documentation added (or `pr:no public docs` PR label added if not
required)
- [x] Added the relevant release notes label (see labels prefixed w/
`release:`). These labels dictate how your PR will
    show up in the autogenerated release notes.

engine/apps/grafana_plugin/helpers/gcom.py

@@ -86,6 +86,7 @@ def check_gcom_permission(token_string: str, context) -> GcomToken:
                 "gcom_token",
                 "gcom_token_org_last_time_synced",
                 "cluster_slug",
+                "api_token",
             ]
         )
     logger.debug(f"Finish authenticate by making request to gcom api for org={org_id}, stack_id={stack_id}")

engine/apps/grafana_plugin/tests/test_gcom.py

@@ -0,0 +1,47 @@
+from unittest.mock import patch
+
+import pytest
+
+from apps.grafana_plugin.helpers.gcom import check_gcom_permission
+
+
+@pytest.mark.django_db
+def test_check_gcom_permission_updates_fields(make_organization):
+    gcom_token = "gcom:test_token"
+    fixed_token = "fixed_token"
+    instance_info = {
+        "id": 324534,
+        "slug": "testinstance",
+        "url": "http://example.com",
+        "orgId": 5671,
+        "orgSlug": "testorg",
+        "orgName": "Test Org",
+        "regionSlug": "us",
+        "clusterSlug": "us-test",
+    }
+    context = {
+        "stack_id": str(instance_info["id"]),
+        "org_id": str(instance_info["orgId"]),
+        "grafana_token": fixed_token,
+    }
+
+    org = make_organization(stack_id=instance_info["id"], org_id=instance_info["orgId"], api_token="broken_token")
+
+    with patch(
+        "apps.grafana_plugin.helpers.GcomAPIClient.get_instance_info",
+        return_value=instance_info,
+    ) as mock_instance_info:
+        check_gcom_permission(gcom_token, context)
+        mock_instance_info.assert_called()
+
+    org.refresh_from_db()
+    assert org.stack_id == instance_info["id"]
+    assert org.stack_slug == instance_info["slug"]
+    assert org.grafana_url == instance_info["url"]
+    assert org.org_id == instance_info["orgId"]
+    assert org.org_slug == instance_info["orgSlug"]
+    assert org.org_title == instance_info["orgName"]
+    assert org.region_slug == instance_info["regionSlug"]
+    assert org.cluster_slug == instance_info["clusterSlug"]
+    assert org.api_token == fixed_token
+    assert org.gcom_token == gcom_token