Build slave description dialog shell as DOM to avoid unnecessary SC parser calls.

src/js/utilsSC.js

@@ -278,8 +278,9 @@ App.UI._showDescriptionDialog = function(slave) {
 	const oldActiveSlave = V.activeSlave;
 	V.activeSlave = slave;
 	Dialog.setup(SlaveFullName(slave));
-	const image = V.seeImages ? `<div class="imageRef medImg"><<= SlaveArt($activeSlave, 2, 0)>></div>` : ``;
-	Dialog.wiki(`${image}<<include "Long Slave Description">>`);
+	const image = App.UI.DOM.makeElement("div", App.Art.SlaveArtElement(slave, 2, 0), ["imageRef", "medImg"]);
+	const lsd = App.UI.DOM.renderPassage("Long Slave Description");
+	Dialog.append(image).append(lsd);
 	Dialog.open();
 	V.activeSlave = oldActiveSlave;
 	V.eventDescription = oldEventDescription;