Use static image when opengl context is not available

Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>

launcher/ui/dialogs/skins/draw/SkinOpenGLWindow.cpp

@@ -325,3 +325,9 @@ void SkinOpenGLWindow::setElytraVisible(bool visible)
     if (m_scene)
         m_scene->setElytraVisible(visible);
 }
+
+bool SkinOpenGLWindow::hasOpenGL()
+{
+    QOpenGLContext ctx;
+    return ctx.create();
+}