fix(launcher): close menu when opening an app

public/addons.js

@@ -101,6 +101,9 @@
   wireLanguageControl();
   polishSystemChrome();
   document.addEventListener('click', e => { if (e.target.closest('#content-today .primary')) clearDraftAfterSave(); });
+  document.addEventListener('click', e => {
+    if (e.target.closest('.launchitem')) document.querySelector('#launcher')?.classList.add('hidden');
+  });
   document.addEventListener('keydown', e => {
     const mod = e.ctrlKey || e.metaKey;
     if (mod && e.key.toLowerCase() === 'k') { e.preventDefault(); toggleLauncher(); }