Fix animation glitch

Session/Conversations/ConversationVC.swift

@@ -351,11 +351,11 @@ final class ConversationVC : BaseVC, ConversationViewModelDelegate, OWSConversat
             for update in conversationUpdate.updateItems! {
                 switch update.updateItemType {
                 case .delete:
-                    self.messagesTableView.deleteRows(at: [ IndexPath(row: Int(update.oldIndex), section: 0) ], with: .fade)
+                    self.messagesTableView.deleteRows(at: [ IndexPath(row: Int(update.oldIndex), section: 0) ], with: .none)
                 case .insert:
                     print("[Test] INSERT")
                     // Perform inserts before updates
-                    self.messagesTableView.insertRows(at: [ IndexPath(row: Int(update.newIndex), section: 0) ], with: .fade)
+                    self.messagesTableView.insertRows(at: [ IndexPath(row: Int(update.newIndex), section: 0) ], with: .none)
                     if update.viewItem?.interaction is TSOutgoingMessage {
                         shouldScrollToBottom = true
                     } else {
@@ -368,9 +368,10 @@ final class ConversationVC : BaseVC, ConversationViewModelDelegate, OWSConversat
                 }
             }
         }
+        UIView.performWithoutAnimation {
             messagesTableView.performBatchUpdates(batchUpdates) { _ in
                 if shouldScrollToBottom {
-                self.scrollToBottom(isAnimated: true)
+                    self.scrollToBottom(isAnimated: false)
                 }
                 self.markAllAsRead()
             }
@@ -378,6 +379,7 @@ final class ConversationVC : BaseVC, ConversationViewModelDelegate, OWSConversat
                 self.scrollToBottom(isAnimated: false)
             }
         }
+    }
     
     func conversationViewModelWillLoadMoreItems() {
         view.layoutIfNeeded()

SessionMessagingKit/Sending & Receiving/MessageSender.swift

@@ -330,19 +330,16 @@ public final class MessageSender : NSObject {
         if let tsMessage = TSOutgoingMessage.find(withTimestamp: message.sentTimestamp!) {
             // Track the open group server message ID
             tsMessage.openGroupServerMessageID = message.openGroupServerMessageID ?? 0
-            tsMessage.save(with: transaction)
             // Mark the message as sent
             var recipients = [ message.recipient! ]
             if case .closedGroup(_) = destination, let threadID = message.threadID, // threadID should always be set at this point
                 let thread = TSGroupThread.fetch(uniqueId: threadID, transaction: transaction), thread.isClosedGroup {
                 recipients = thread.groupModel.groupMemberIds
             }
-            if !tsMessage.wasSentToAnyRecipient {
             recipients.forEach { recipient in
                 tsMessage.update(withSentRecipient: recipient, wasSentByUD: true, transaction: transaction)
             }
-                MessageInvalidator.invalidate(tsMessage, with: transaction)
+            tsMessage.save(with: transaction)
-            }
             // Start the disappearing messages timer if needed
             OWSDisappearingMessagesJob.shared().startAnyExpiration(for: tsMessage, expirationStartedAt: NSDate.millisecondTimestamp(), transaction: transaction)
         }