fix disappear after send

SessionMessagingKit/Sending & Receiving/Message Handling/MessageReceiver+VisibleMessages.swift

@@ -97,7 +97,7 @@ extension MessageReceiver {
         let disappearingMessagesConfiguration: DisappearingMessagesConfiguration = (try? thread.disappearingMessagesConfiguration.fetchOne(db))
             .defaulting(to: DisappearingMessagesConfiguration.defaultWith(thread.id))
         
-        let expiresStartedAtMs: Double? = (disappearingMessagesConfiguration.isEnabled && disappearingMessagesConfiguration.type == .disappearAfterSend) ? messageSentTimestamp : nil
+        let expiresStartedAtMs: Double? = (disappearingMessagesConfiguration.isEnabled && disappearingMessagesConfiguration.type == .disappearAfterSend) ? Double(message.sentTimestamp ?? 0) : nil
         
         // Try to insert the interaction
         //

SessionMessagingKit/Sending & Receiving/MessageReceiver.swift

@@ -259,6 +259,13 @@ public enum MessageReceiver {
                     .fetchOrCreate(db, id: threadInfo.id, variant: threadInfo.variant)
                     .with(shouldBeVisible: true)
                     .saved(db)
+
+                // Start the disappearing messages timer if needed
+                // For disappear after send, this is necessary so the message will disappear even if it is not read
+                JobRunner.upsert(
+                    db,
+                    job: DisappearingMessagesJob.updateNextRunIfNeeded(db)
+                )
         }
     }