fix: quick add opens create ui

Add createKey to quick-add manifests and client create dialog host.

FAB and command palette open in-place create UIs instead of navigating away.

src/modules/calendar/manifest.tsx

@@ -226,12 +226,14 @@ const manifest: ModuleManifest = {
       label: "New event",
       icon: "calendar-plus",
       url: "/calendar",
+      createKey: "calendar.event",
     },
     {
       id: "calendar.new-calendar",
       label: "New calendar",
       icon: "calendar-days",
       url: "/calendar",
+      createKey: "calendar.calendar",
     },
   ],
 };