VST3 Host: Linux: Map plugin window even with XEMBED_MAPPED unset

Author: szarvas

modules/juce_audio_processors/format_types/juce_VST3PluginFormat.cpp

@@ -564,7 +564,8 @@ struct VST3PluginWindow final : public AudioProcessorEditor,
     using HandleFormat = NSView*;
    #elif JUCE_LINUX || JUCE_BSD
     XEmbedComponent embeddedComponent { XEmbedComponentOptions{}.withWantsKeyboardFocus (true)
-                                                                .withAllowForeignWidgetToResizeComponent (false) };
+                                                                .withAllowForeignWidgetToResizeComponent (false)
+                                                                .withIgnoreXembedMapped() };
     using HandleFormat = Window;
    #else
     Component embeddedComponent;