fix: various vue3 css fixes

[WalterMoar]

Description

1. The list of components that can be added to a form should always be visible on a really long form. The changes to the names of Vuetify 3 CSS selectors broke this functionality.
   Before:
   
   After:
   

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2. The Team Management table was missing the class that the CSS selectors use. Also updated the CSS to use deep() instead of the deprecated >>> notation
   Before:
   
   After:
   

Types of changes

Bug fix (non-breaking change which fixes an issue)

Checklist

• I have read the CONTRIBUTING doc
• I have checked that unit tests pass locally with my changes
• I have run the npm script lint on the frontend and backend
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)
• I have approval from the product owner for the contribution in this pull request