Bugfix. Improper fallback to empty array

Updates #3155

src/headless/plugins/adhoc/utils.js

@@ -8,7 +8,7 @@ const { Strophe, u } = converse.env;
  */
 export function parseForCommands (stanza) {
     const items = sizzle(`query[xmlns="${Strophe.NS.DISCO_ITEMS}"][node="${Strophe.NS.ADHOC}"] item`, stanza);
-    return items.map(u.getAttributes)
+    return items.map(u.getAttributes);
 }
 
 /**
@@ -20,9 +20,10 @@ export function getCommandFields (iq, jid) {
     const data = {
         sessionid: cmd_el.getAttribute('sessionid'),
         instructions: sizzle('x[type="form"][xmlns="jabber:x:data"] instructions', cmd_el).pop()?.textContent,
-        fields: sizzle('x[type="form"][xmlns="jabber:x:data"] field', cmd_el)
-            .map(f => u.xForm2TemplateResult(f, cmd_el, { domain: jid })),
-        actions: Array.from(cmd_el.querySelector('actions')?.children).map((a) => a.nodeName.toLowerCase()) ?? []
-    }
+        fields: sizzle('x[type="form"][xmlns="jabber:x:data"] field', cmd_el).map((f) =>
+            u.xForm2TemplateResult(f, cmd_el, { domain: jid })
+        ),
+        actions: Array.from(cmd_el.querySelector('actions')?.children ?? []).map((a) => a.nodeName.toLowerCase()),
+    };
     return data;
 }