fix(chat): fix switching back to chats is very slow

Fixes #5615

ui/app/AppLayouts/Chat/views/ChatContentView.qml

@@ -429,6 +429,7 @@ ColumnLayout {
             stickersLoaded: chatContentRoot.stickersLoaded
             isChatBlocked: chatContentRoot.isBlocked
             channelEmoji: chatContentModule.chatDetails.emoji || ""
+            isActiveChannel: chatContentRoot.isActiveChannel
             onShowReplyArea: {
                 let obj = messageStore.getMessageByIdAsJson(messageId)
                 if (!obj) {

ui/app/AppLayouts/Chat/views/ChatMessagesView.qml

@@ -14,6 +14,8 @@ import shared.popups 1.0
 import shared.status 1.0
 import shared.controls 1.0
 import shared.views.chat 1.0
+import StatusQ.Core 0.1
+import StatusQ.Components 0.1
 
 import "../controls"
 
@@ -32,6 +34,7 @@ Item {
     property bool stickersLoaded: false
     property alias chatLogView: chatLogView
     property bool isChatBlocked: false
+    property bool isActiveChannel: false
 
     property var messageContextMenuInst
 
@@ -42,6 +45,20 @@ Item {
     signal openStickerPackPopup(string stickerPackId)
     signal showReplyArea(string messageId, string author)
 
+    property bool allMessagesLoaded: false
+
+    onIsActiveChannelChanged: {
+        if (!isActiveChannel) {
+            root.allMessagesLoaded = false
+            return
+        }
+        // We wait to load all messages, because switching back to chats makes
+        // the scroll go crazy so it loads way too many messages making it slow
+        timer.setTimeout(function() {
+            root.allMessagesLoaded = true
+        }, 10);
+    }
+
     Connections {
         target: root.messageStore.messageModule
 
@@ -91,6 +108,22 @@ Item {
         }
     }
 
+    Loader {
+        active: !root.allMessagesLoaded
+        anchors.centerIn: parent
+        sourceComponent: Item {
+            StatusBaseText {
+                id: loadingText
+                text: qsTr("Loading...")
+            }
+            StatusLoadingIndicator {
+                color: Theme.palette.directColor4
+                anchors.left: loadingText.right
+                anchors.leftMargin: 8
+            }
+        }
+    }
+
     ListView {
         id: chatLogView
         anchors.top: loadingMessagesIndicator.bottom
@@ -237,12 +270,15 @@ Item {
 
         model: messageStore.messagesModel
 
-        // Not Refactored Yet
-        //Component.onCompleted: scrollToBottom(true)
+        Component.onCompleted: chatLogView.scrollToBottom(true)
 
         delegate: MessageView {
             id: msgDelegate
 
+            // We wait to load all messages, because switching back to chats makes
+            // the scroll go crazy so it loads way too many messages making it slow
+            visible:  root.allMessagesLoaded
+
             store: root.store
             messageStore: root.messageStore
             usersStore: root.usersStore

ui/imports/shared/controls/chat/UserImage.qml

@@ -24,7 +24,7 @@ Loader {
 
     signal clicked()
 
-    height: active ? item.height : 0
+    height: active && item ? item.height : 0
 
     sourceComponent: StatusSmartIdenticon {
         name: root.name

ui/imports/utils/Utils.qml

@@ -229,7 +229,6 @@ QtObject {
         if(Number.isInteger(value) && value > 0) {
             return true;
         }
-        console.error(qsTr("timestamp must be type of int and greater than 0 (%1)").arg(errorLocation));
         return false;
     }