XEmbedComponent: Update embedded window size when peer scale changes

Author: reuk

modules/juce_gui_extra/native/juce_XEmbedComponent_linux.cpp

@@ -363,6 +363,11 @@ class XEmbedComponent::Pimpl  : private ComponentListener
     ComponentPeer* lastPeer = nullptr;
     SharedKeyWindow::Ptr keyWindow;
 
+    NativeScaleFactorNotifier notifier { &owner, [this] (auto)
+    {
+        componentMovedOrResized (owner, true, true);
+    } };
+
     //==============================================================================
     void componentParentHierarchyChanged (Component&) override   { peerChanged (owner.getPeer()); }
     void componentMovedOrResized (Component&, bool, bool) override