To increase DRY and enable DRY in tests and other users of the Beacon Chain state package,
an error that was duplicated unnecessarily in each version of the state is moved to the root
Beacon Chain state package.
* Introduce changes from Altair hf1 branch
* go pkg viz changes
* Fix test
* goimports for some reason
* Use a more safe method of wrapping validators with regards to nil validators. Add basic tests for this wrapped validator
* Use a more safe method of wrapping validators with regards to nil validators. Add basic tests for this wrapped validator
* Panic fixes
* Fix tests
* remove nil validator test as it is no longer possible
* goimports for some reason
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
