Launch Material 3 Upgrade

[ajaygandecha]

Checklist for Launch:

• [x] #419
• [x] #470
• [x] #471
• [x] #472
• [x] #473
• [x] #474
• [x] #476
• [x] #489

We will hold off on the following redesigns for the next version release:

• [x] #475
• [x] #477

Some pages are not entirely redesigned, but will be done soon! This might be due to missing backend features, or if the design requires more thought:

• [x] #482
• [x] #484
• [x] #487