Use lab's readable name for dropdown

What does this mr do?

Update the text in the course -> status -> assistant -> lab dropdown to use a more readable text instead of title.

Screenshots

before

after

Does this MR meet the acceptance criteria?

• I have added a changelog entry to reflect the significant changes I made.
• Tests were created to test the feature.
• I have updated the documentation accordingly.
• I adhere to the style guide.

Closes #383 (closed)