Accessibilty audit fixes

[JakeChampion]

This issue is to track the work which comes out from the accessibility audit we have had completed on origami component demos

Link to audit report

• [ ] #535
• [x] #527
• [ ] #543
• [x] #497
• [x] #530
• [x] #540
• [x] #533
• [x] #537
• [x] #544
• [x] #517
• [x] #551
• [x] #503
• [x] #504 - 👉wip PR
• [x] #532
• [x] #513 - 👉PR
• [x] #536
• [x] #500
• [x] #542
• [x] #506
• [x] #501
• [x] #502
• [x] #505
• [x] #511
• [x] #516
• [x] #518
• [x] #524
• [x] #528
• [x] #531
• [x] #534
• [x] #541
• [x] #545
• [x] #546
• [x] #547
• [x] #548
• [x] #549
• [x] #550
• [x] #554
• [x] #556
• [x] #557
• [x] #559