Improve scroll to message a bit by using a ScrollView

resources/qml/MessageView.qml

@@ -6,13 +6,17 @@ import QtQuick.Layouts 1.2
 import QtQuick.Window 2.2
 import im.nheko 1.0
 
-ListView {
+ScrollView {
+    contentWidth: availableWidth
+    clip: false
+    palette: colors
+    padding: 8
+
+    ListView {
         id: chat
 
-    property int delegateMaxWidth: (Settings.timelineMaxWidth > 100 && (parent.width - Settings.timelineMaxWidth) > scrollbar.width * 2) ? Settings.timelineMaxWidth : (parent.width - scrollbar.width * 2 - 8)
+        property int delegateMaxWidth: ((Settings.timelineMaxWidth > 100 && Settings.timelineMaxWidth < parent.availableWidth) ? Settings.timelineMaxWidth : parent.availableWidth) - parent.padding
 
-    Layout.fillWidth: true
-    Layout.fillHeight: true
         model: TimelineManager.timeline
         boundsBehavior: Flickable.StopAtBounds
         pixelAligned: true
@@ -174,10 +178,6 @@ ListView {
 
         }
 
-    ScrollBar.vertical: ScrollBar {
-        id: scrollbar
-    }
-
         delegate: Item {
             id: wrapper
 
@@ -222,4 +222,6 @@ ListView {
             z: 3
         }
 
+    }
+
 }