message: fix(database-api): allow search for all columns
diff: @@ -169,8 +169,6 @@ class DatabaseRestApi(BaseSupersetModelRestApi):
  edit_columns = add_columns
  - search_columns = ["allow_file_upload", "expose_in_sqllab"]
  -
  search_filters = {
  "allow_file_upload": [DatabaseUploadEnabledFilter],
  "expose_in_sqllab": [DatabaseFilter],
  