Fix attachments with very big size (#3771)

Author: nuno-vieira

Sources/StreamChatUI/ChatMessageList/Reactions/ChatMessageReactions+Types.swift

@@ -6,7 +6,7 @@ import StreamChat
 import UIKit
 
 /// The information of a reaction ready to be displayed in a view.
-public struct ChatMessageReactionData {
+public struct ChatMessageReactionData: Equatable {
     /// The type of the reaction.
     public let type: MessageReactionType
     /// The score value of the reaction. By default it is the same value as `count`.

Sources/StreamChatUI/ChatMessageList/Reactions/ChatMessageReactionsView.swift

@@ -8,7 +8,12 @@ import UIKit
 /// The view that shows the list of reactions attached to the message.
 open class ChatMessageReactionsView: _View, ThemeProvider {
     public var content: Content? {
-        didSet { updateContentIfNeeded() }
+        didSet {
+            if oldValue?.reactions == content?.reactions {
+                return
+            }
+            updateContentIfNeeded()
+        }
     }
 
     open var reactionItemView: ChatMessageReactionItemView.Type {
@@ -56,7 +61,6 @@ open class ChatMessageReactionsView: _View, ThemeProvider {
             )
             stackView.addArrangedSubview(itemView)
         }
-        stackView.layoutIfNeeded()
     }
 
     private func logWarning(unavailableReaction reaction: ChatMessageReactionData) {