Remediate label accessibility

[tdy]

Resolves #737

• [x] eslint
  • [x] disable deprecated label-has-for
  • [x] fix label-has-associated-control
• [ ] WAVE
  • [x] fix components
  • [x] fix search
  • [x] fix playlist
  • [x] fix glossary
  • [x] fix ASL glossary
  • [x] fix admin
  • [x] fix terms
  • [x] fix downloads
  • [ ] fix course
  • [ ] settings
  • [ ] analytics
  • [ ] new playlist