* core: support message signing in p2p groups
* improve
* add member key
* distribute keys and sign
* refactor
* better query
* map
* sign in relay groups too
* clean up
* list
* fix test
* update bot types
* some refactor
* remove unnecessary condition
* simplify
* refactor
* simplify
* move
* clean up
* diff
* diff
* limit attempts for key sending
* optimize
* fix test
* split
* fuse
* null
* only mark as "key sent" when forwarder supports binary encoding
* fix bot apis
* fix some tests
* add key distribution steps, and fix some tests
* fix test
* increase timeout
* fix tests
* fix more tests
* simplify
* disable test output
* mark keys sent with invitations
* fix test
* fix test, query plans
* unify signing of connection info packets
* revert change to createNewGroup
* create key at group/member creation
* rename, remove liftIO
* clean up
* fix type
* remove ad hoc key sending
* update bot api
* diff
* reduce diff
* failing test
* fix sending messages in groups with members before version 18
* remove test delays
* update query plans
* update test
* add tests
* fix tests
---------
Co-authored-by: Evgeny @ SimpleX Chat <259188159+evgeny-simplex@users.noreply.github.com>
