Use of server-side bindings in Server Connect tag breaks properties

Wappler 5 beta 8
MacOS

<dmx-serverconnect id="sc_book" url="/api/book/<%=_('$_PARAM.book',locals)%>"></dmx-serverconnect>

Once you start using server-side bindings in a dmx-serverconnect tag, Wappler UI no longer shows dmx-serverconnect’s properties