fix closed group default disappearing messages settings

SessionMessagingKit/Database/Models/DisappearingMessageConfiguration.swift

@@ -97,7 +97,7 @@ public extension DisappearingMessagesConfiguration {
         return DisappearingMessagesConfiguration(
             threadId: threadId,
             isEnabled: false,
-            durationSeconds: DefaultDuration.unknown.seconds,
+            durationSeconds: 0,
             type: .unknown,
             lastChangeTimestampMs: 0
         )

SessionMessagingKit/Messages/Message.swift

@@ -64,7 +64,8 @@ public class Message: Codable {
             return
         }
         
-        proto.setExpirationTimer(UInt32(disappearingMessagesConfiguration.durationSeconds))
+        let expireTimer: UInt32 = disappearingMessagesConfiguration.isEnabled ? UInt32(disappearingMessagesConfiguration.durationSeconds) : 0
+        proto.setExpirationTimer(expireTimer)
         proto.setLastDisappearingMessageChangeTimestamp(UInt64(disappearingMessagesConfiguration.lastChangeTimestampMs ?? 0))
         
         if disappearingMessagesConfiguration.isEnabled, let type = disappearingMessagesConfiguration.type {

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

@@ -190,10 +190,10 @@ extension MessageReceiver {
             .defaulting(to: DisappearingMessagesConfiguration.defaultWith(thread.id))
             .with(
                 isEnabled: (expirationTimer > 0),
-                durationSeconds: TimeInterval(expirationTimer > 0 ?
-                    expirationTimer :
-                    (24 * 60 * 60)
-                )
+                durationSeconds: (expirationTimer > 0) ?
+                    TimeInterval(expirationTimer) :
+                    DisappearingMessagesConfiguration.DefaultDuration.disappearAfterSend.seconds,
+                type: .disappearAfterSend
             )
             .saved(db)