Patryk Osmaczko 65be6f2b96 feat: add and distribute `chatIdentity.FirstMessageTimestamp` ... `FirstMessageTimestamp` enables members of the community to determine if there are any messages they can fetch on the community channel(chat). `FirstMessageTimestamp` is advertised by admin for each community chat through `CommunityDescription`. It assumes admin is online frequently enough to capture the first channel message. For existing communities admin determines first message timestamp by finding oldest chat message in its local database. task: status-im/status-desktop#6731		2022-09-09 08:59:39 +02:00
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sql	handle notifications at-most-once	2020-08-27 18:54:29 +02:00
migrations.go	feat: add and distribute `chatIdentity.FirstMessageTimestamp`	2022-09-09 08:59:39 +02:00