update the course search list

[RonglinC]

trafficstars

Issue

Note which issue number(s) this Pull Request closes. All pull requests should close an issue, if one does not exists, make one. This helps us plan and discuss before we decide on implementation

Example:

closes #781

Database Changes/Migrations

If you added/modified a table, notify people of schema change here

Example: modifies some code for the coursesearch list

Test Modifications

Note added unit/integration tests: (all backend changes should contain unit/integration tests with pytest)

Example:

Added test tests/api/db/test_classinfo.py:test_crn_uniqueness to ensure all classes returned from API call don't have repeat CRNs

Test Procedure

Show procedure to test functionality with a clear procedure

Example:

1. Create a branch
2. Commit a change to that branch
3. Push branch
4. Create Pull Request and fill in PR template

Photos

Show before and after, capture screenshot/gif of finished feature/bug

Additional Info

More info that would help people review your change