[Step2|BE] Change `raw_path` in SnippetBlobPresenter
Important: All the new functionality must be implemented behind the feature flag
:snippet_multiple_files. Besides, it has to be scoped for users. Therefore, instead of checking if the feature flag is enabled or not (
Feature.enabled?(:snippet_multiple_files)), we will check if the feature flag is enabled for specific users (
After implementing #217775 (closed), the blob
raw_path returned in GraphQL is no longer valid because it points to the snippet global raw path instead of the blob one.
We have to update the
raw_path method in the
SnippetBlobPresenter and update the route when the feature flag is enabled.