Try to force a native menu item sync after adding the item

Hopefully this makes it visible and enabled properly.

resources/qml/MessageView.qml

@@ -420,12 +420,12 @@ Item {
             else
                 link = "";
 
+            messageActionsCFilter.updateTarget();
+
             if (showAt_)
                 popup(showAt_);
             else
                 popup();
-
-            messageActionsCFilter.updateTarget();
         }
 
         Component {
@@ -659,8 +659,8 @@ Item {
             link = link_;
             eventId = eventId_;
 
-            popup();
             replyContextMenuCFilter.updateTarget();
+            popup();
         }
 
         Component.onCompleted: {

resources/qml/components/SpaceMenuLevel.qml

@@ -17,7 +17,7 @@ Menu {
     title: modelData != undefined ? modelData.name : qsTr("Add or remove from community")
     property bool loadChildren: false
 
-    onOpened: {
+    onAboutToShow: {
         loadChildren = true;
         menuFilter.updateTarget();
     }

src/ui/NhekoMenuVisibilityFilter.cpp

@@ -6,6 +6,7 @@
 
 #include <QQmlListReference>
 #include <QQuickItem>
+#include <QTimer>
 
 #include "Logging.h"
 
@@ -130,6 +131,18 @@ NhekoMenuVisibilityFilter::updateTarget()
         }
     }
 
+    QTimer::singleShot(0, this, [this] {
+        auto createdItems = qvariant_cast<QQmlListReference>(targetProperty.read());
+        // newItems.clear(); <- does not remove the visual items
+
+        for (qsizetype i = createdItems.size(); i > 0; i--) {
+            // only remove items, not other random stuff in there!
+            if (auto item = qobject_cast<QQuickItem *>(createdItems.at(i - 1))) {
+                item->enabledChanged();
+            }
+        }
+    });
+
     // targetProperty.write(QVariant::fromValue(std::move(newItems)));
 }