[+@richardbatty] Fixed full_name key on repository for HasComments

[jonnyarnold]

The HasComments check was not working properly because the key specified never existed.

[reevoo-samuel]

_If you're new, read the guidelines._

Good code is tested, easy to understand and able to cope when things go wrong.

Good pull requests are descriptive, small and short-lived.

• [ ] Code has been reviewed.
• [ ] Description explains what you have done and why.
• [x] Tests are green on CI (or pulled/tested on another machine).
• [ ] Documentation has been created or updated.

[lpil]

That's interesting. Jonny opened this, but it's Richard's code, and he's merged without comment from anyone else.

That should be guarded against.