fix(@desktop/timeline): render message age instead of message time

ui/app/AppLayouts/Chat/ChatColumn/MessageComponents/ChatTime.qml

@@ -4,11 +4,11 @@ import "../../../../../shared/status"
 import "../../../../../imports"
 
 StyledText {
-    property bool formatDateTime: false
+    property bool formatAge: false
     id: chatTime
     visible: isMessage
     color: Style.current.secondaryText
-    text: formatDateTime ? Utils.formatDateTime(timestamp, globalSettings.locale) : Utils.formatTime(timestamp, globalSettings.locale)
+    text: formatAge ? Utils.formatAgeFromTime(timestamp) : Utils.formatTime(timestamp)
     font.pixelSize: Style.current.asideTextFontSize
     
     StatusToolTip {

ui/app/AppLayouts/Chat/ChatColumn/MessageComponents/StatusUpdate.qml

@@ -49,7 +49,7 @@ MouseArea {
 
         ChatTime {
             id: chatTime
-            formatDateTime: true
+            formatAge: true
             visible: chatName.visible
             anchors.verticalCenter: chatName.verticalCenter
             anchors.left: chatName.right

ui/app/AppLayouts/Timeline/TimelineLayout.qml

@@ -96,7 +96,7 @@ ScrollView {
             anchors.top: statusUpdateInput.bottom
             anchors.topMargin: 40
             anchors.horizontalCenter: parent.horizontalCenter
-            visible: chatsModel.messageView.messageList.rowCount() === 0
+            visible: chatLogView.count === 0
         }
 
         ListView {

ui/imports/Utils.qml

@@ -244,6 +244,25 @@ QtObject {
         return (hours < 10 ? "0" + hours : hours) + ":" + (minutes < 10 ? "0" + minutes : minutes)
     }
 
+    function formatAgeFromTime(timestamp) {
+        const now = new Date()
+        const messageDate = new Date(Math.floor(timestamp))
+        const diffMs = now - messageDate
+        const diffMin = Math.floor(diffMs / 60000)
+        if (diffMin < 1) {
+            return qsTr("NOW")
+        }
+        const diffHour = Math.floor(diffMin / 60)
+        if (diffHour < 1) {
+            return qsTr("%1M").arg(diffMin)
+        }
+        const diffDay = Math.floor(diffHour / 24)
+        if (diffDay < 1) {
+            return qsTr("%1H").arg(diffHour)
+        }
+        return qsTr("%1D").arg(diffDay)
+    }
+
     function formatShortDateStr(longStr) {
         const dmKeys = {
             // Days