272- session page styling and linkage

[adescoteaux1]

Description

Link to Ticket

• prevents routing to the student page while in editing or attendance mode
• adds boarder and hover to done button

How Has This Been Tested?

Please describe the tests that you manually ran to verify your changes (beyond any unit/integration tests written and ran).

Checklist

• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have written unit tests for my code and tested it manually
• New and existing unit tests pass locally with my changes
• I have updated the OpenAPI spec, if needed

closes #272