fix: crash on chatmessages when using 5.15.2

ui/app/AppLayouts/Chat/ChatColumn/ChatMessages.qml

@@ -19,7 +19,7 @@ SplitView {
     id: svRoot
     property alias chatLogView: chatLogView
     property alias scrollToMessage: chatLogView.scrollToMessage
-    
+
     property var messageList: MessagesData {}
     property bool loadingMessages: false
     property real scrollY: chatLogView.visibleArea.yPosition * chatLogView.contentHeight
@@ -33,12 +33,12 @@ SplitView {
 
     ScrollView {
         id: root
-
         contentItem: chatLogView
         
         SplitView.fillWidth: true
         SplitView.minimumWidth: 200
 
+        height: parent.height
         ScrollBar.vertical.policy: chatLogView.contentHeight > chatLogView.height ? ScrollBar.AlwaysOn : ScrollBar.AlwaysOff
         ScrollBar.horizontal.policy: ScrollBar.AlwaysOff
 
@@ -178,6 +178,14 @@ SplitView {
                 return true
             }
 
+            Connections {
+                target: chatsModel
+
+                onAppReady: {
+                    chatLogView.scrollToBottom(true)
+                }
+            }
+
             Connections {
                 target: chatsModel.messageView
                 onMessagesLoaded: {
@@ -198,10 +206,6 @@ SplitView {
                     }
                 }
 
-                onAppReady: {
-                    chatLogView.scrollToBottom(true)
-                }
-
                 onMessageNotificationPushed: function(chatId, msg, messageType, chatType, timestamp, identicon, username, hasMention, isAddedContact, channelName) {
                     if (messageType == Constants.editType) return;
                     if (appSettings.notificationSetting == Constants.notifyAllMessages ||