open ChannelInfoViewModel control proprties (#995)

Author: KhaledElsherbeny

Sources/StreamChatSwiftUI/ChatChannel/ChannelInfo/ChatChannelInfoViewModel.swift

@@ -36,19 +36,19 @@ open class ChatChannelInfoViewModel: ObservableObject, ChatChannelControllerDele
     @Published public var addUsersShown = false
     @Published public var selectedParticipant: ParticipantInfo?
 
-    public var shouldShowLeaveConversationButton: Bool {
+    open var shouldShowLeaveConversationButton: Bool {
         if channel.isDirectMessageChannel {
             channel.ownCapabilities.contains(.deleteChannel)
         } else {
             channel.ownCapabilities.contains(.leaveChannel)
         }
     }
 
-    public var canRenameChannel: Bool {
+    open var canRenameChannel: Bool {
         channel.ownCapabilities.contains(.updateChannel)
     }
 
-    public var shouldShowAddUserButton: Bool {
+    open var shouldShowAddUserButton: Bool {
         if channel.isDirectMessageChannel {
             false
         } else {