fix(service): resolve team lookup via service relationship

Update service application/database team accessors to traverse the service relation chain and add coverage to prevent null team regressions.

app/Models/ServiceApplication.php

@@ -88,7 +88,7 @@ class ServiceApplication extends BaseModel
 
     public function team()
     {
-        return data_get($this, 'environment.project.team');
+        return data_get($this, 'service.environment.project.team');
     }
 
     public function workdir()