Locate tool always shows number of matching slaves

src/js/findSlave.js

@@ -71,9 +71,8 @@ App.UI.findSlave = function() {
 	 * @param {DocumentFragment} frag
 	 */
 	function _appendResultList(ids, frag) {
-		if (ids.length === 0) {
-			App.UI.DOM.appendNewElement("p", frag, "No matching slaves.");
-		} else {
+		App.UI.DOM.appendNewElement("p", frag, `${ids.length} matching slave${ids.length === 1 ? `` : `s`}.`);
+		if (ids.length !== 0) {
 			frag.appendChild(App.UI.SlaveList.render(ids, [], App.UI.SlaveList.SlaveInteract.stdInteract));
 		}
 	}