- Save new identity key when sending signal message returns identity failure.
- Handle trust request
- Handle inbound identity failure.
- Add indexes for Identities table, rename ProtocolStore fingerprint fns.
- Handle sending to subsciber with new safety number
- Handle receiving from subscriber with new safety number
- Change deauthorization column fingerprint to text to handle full fingerprint text with (byte)0x..
- Update safetyNumberChanged notification text.
- Update deauthorization notification text.