Missing results in list_files query

[quentindemetz]

Results are empty when an OR clause concerns a folder which is inaccessible by the client

Environment details

• OS: ubuntu 20.04
• Ruby version: 2.7.1
• Gem name and version: google-api-client (0.50.0)

Steps to reproduce

1. run the quickstart without modifications and confirm it returns some files
2. add a q parameter as follows: q: "'root' in parents or '1qalXys4O1i1UJPFttX2qvarT2iTfSav_' in parents", and confirm it returns no results.

Code example

response = drive_service.list_files(page_size: 10,
                                    q: "'root' in parents or '1qalXys4O1i1UJPFttX2qvarT2iTfSav_' in parents",
                                    fields:    "nextPageToken, files(id, name)")

[dazuma]

Issue b/200055738 has been reported to the Drive backend.