Various improvements

submodules/TelegramCore/Sources/Utils/MessageUtils.swift

@@ -579,6 +579,17 @@ public extension Message {
     }
 }
 
+public extension Message {
+    var pendingProcessingAttribute: PendingProcessingMessageAttribute? {
+        for attribute in self.attributes {
+            if let attribute = attribute as? PendingProcessingMessageAttribute {
+                return attribute
+            }
+        }
+        return nil
+    }
+}
+
 public extension Message {
     func areReactionsTags(accountPeerId: PeerId) -> Bool {
         if self.id.peerId == accountPeerId {