Don't check chatops gateway link in OSS deployment (#3893)

# What this PR does
Prevents checking ability to connect instance with chatops gateway when
running in OSS deployment.

## Which issue(s) this PR fixes
#3834 

## 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] `CHANGELOG.md` updated (or `pr:no changelog` PR label added if not
required)

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - Quotes in templates not rendering results correctly ([#3884](https://github.com/grafana/oncall/pull/3884))
+- Unblock slack install by skipping check chatops gateway link in OSS deployment @mderynck ([#3893](https://github.com/grafana/oncall/pull/3893))
 
 ## v1.3.104 (2024-02-12)
 

engine/apps/social_auth/pipeline.py

@@ -95,9 +95,10 @@ def populate_slack_identities(response, backend, user, organization, **kwargs):
         return HttpResponse(status=status.HTTP_400_BAD_REQUEST)
 
     slack_team_id = response["team"]["id"]
-    can_link = can_link_slack_team_wrapper(str(organization.uuid), slack_team_id, settings.ONCALL_BACKEND_REGION)
-    if settings.FEATURE_MULTIREGION_ENABLED and not can_link:
-        raise InstallMultiRegionSlackException
+    if settings.LICENSE == settings.CLOUD_LICENSE_NAME:
+        can_link = can_link_slack_team_wrapper(str(organization.uuid), slack_team_id, settings.ONCALL_BACKEND_REGION)
+        if settings.FEATURE_MULTIREGION_ENABLED and not can_link:
+            raise InstallMultiRegionSlackException
 
     slack_team_identity, is_slack_team_identity_created = SlackTeamIdentity.objects.get_or_create(
         slack_id=slack_team_id,