Refactor delegates and improve context menu opening

This unifies the context menu opening and makes sure that clicking *anywhere* on the delegate opens the context menu, not just on the content

imports/NeoChat/Component/Timeline/AudioDelegate.qml

@@ -18,6 +18,9 @@ TimelineContainer {
     id: audioDelegate
 
     onReplyClicked: ListView.view.goToEvent(eventID)
+
+    onOpenContextMenu: openFileContext(model, audioDelegate)
+
     hoverComponent: hoverActions
     innerObject: Control {
         Layout.fillWidth: true
@@ -29,15 +32,6 @@ TimelineContainer {
             autoLoad: false
         }
 
-        TapHandler {
-            acceptedButtons: Qt.RightButton
-            onTapped: openFileContext(model, parent)
-        }
-        TapHandler {
-            acceptedButtons: Qt.LeftButton
-            onLongPressed: openFileContext(model, parent)
-        }
-
         contentItem: ColumnLayout {
             RowLayout {
                 ToolButton {