* Revert "Revert "Feature: Multi Point Arrows (#338)" (#634)"
This reverts commit 3d2e59bfed4fa41a0cae49ee567a6f95ca26e7bf.
* Convert old arrow spec to new one
* Remove unnecessary failchecks and fix context transform issue in retina displays
* Remove old points failcheck from getArrowAbsoluteBounds
* Remove all failchecks for old arrow
* remove the rest of unnecessary checks
* Set default values for the arrow during import
* Add translations
* fix restore using unmigrated elements for state computation
* don't use width/height when migrating from new arrow spec
Co-authored-by: David Luzar <luzar.david@gmail.com>
Co-authored-by: Christopher Chedeau <vjeuxx@gmail.com>