message: Expose Sqllab status in databases list view
diff: @@ -137,10 +137,10 @@ class DatabaseView(SupersetModelView, DeleteMixin, YamlExportMixin): # noqa
  list_columns = [
  'database_name', 'backend', 'allow_run_sync', 'allow_run_async',
  - 'allow_dml', 'allow_csv_upload', 'creator', 'modified']
  + 'allow_dml', 'allow_csv_upload', 'expose_in_sqllab', 'creator', 'modified']
  order_columns = [
  'database_name', 'allow_run_sync', 'allow_run_async', 'allow_dml',
  - 'modified', 'allow_csv_upload',
  + 'modified', 'allow_csv_upload', 'expose_in_sqllab',
  ]
  add_columns = [
  'database_name', 'sqlalchemy_uri', 'cache_timeout', 'expose_in_sqllab',
  