Form integration technical documentation

[origami-z]

When integrating Salt form controls with react-hook-form, there are a few issues identified to make consumer's life easier. This may include bug fixes to the component, or improved documentation or migration guide.

### Considerations (not to be all resolved)
- [ ] Dropdown / combo box popper behaviour when scroll off screen
- [ ] #3578
- [ ] #3637
- [ ] #3599
- [ ] #3612
- [ ] #3263
- [ ] #3697
- [ ] https://github.com/jpmorganchase/salt-ds/issues/3600