fix self-send reaction notification

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

@@ -340,13 +340,14 @@ extension MessageReceiver {
                     sortId: sortId
                 )
                 try reaction.insert(db)
+                if sender != getUserHexEncodedPublicKey(db) {
                     Environment.shared?.notificationsManager.wrappedValue?
                         .notifyUser(
                             db,
                             forReaction: reaction,
                             in: thread
                         )
-                
+                }
             case .remove:
                 try Reaction
                     .filter(Reaction.Columns.interactionId == interactionId)