Class lists: Use CleanSlateMessage and apply policy to notes within dialog #2453
Who is this PR for?
K8 teaching teams
What problem does this PR fix?
Also makes some UI tweaks for IE.
What does this PR do?
Refactors the filtering, and applies it to the class list dialog as well. Adjusts the width of notes column in the dialog, the "equity checks" sizing to work properly on IE11.
Screenshot (if adding a client-side feature)
Which features or pages does this PR touch?
Does this PR use tests to help verify we can deploy these changes quickly and confidently?