* Make InstantSeal Instant again
* update_sealing if there are transactions in pool after impoerting a block, some line formatting
* Apply suggestions from code review
Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>
* InstantSeal specific behaviour
* introduce engine.should_reseal_on_update, remove InstantSealService
* remove unused code
* add force param to update_sealing
* better docc
* even better docs
* revert code changes, doc corrections, sort dep
* code optimization
* fix test
* fix bench