* Moving offchain change set to state machine overlay change set,
preparing use of change set internally.
* Make change set generic over key and value, and use it for offchain
indexing.
* test ui change
* remaining delta
* generating with standard method
* Remove 'drain_committed' function, and documentation.
* Default constructor for enabling offchain indexing.
* Remove offchain change specific iterators.
* remove pub accessor
* keep previous hierarchy, just expose iterator instead.
* Update primitives/state-machine/src/overlayed_changes/mod.rs
Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>
* fix line break
* missing renamings
* fix import
* fix new state-machine tests.
* Don't expose InnerValue type.
* Add test similar to set_storage.
* Remove conditional offchain storage (hard to instantiate correctly).
* fix
* offchain as children cannot fail if top doesn't
Co-authored-by: Addie Wagenknecht <addie@nortd.com>
Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>