Use menu font icon for Omarchy update entry

default/omarchy/omarchy-menu.jsonc

@@ -283,7 +283,7 @@
   "remove.development.elixir.phoenix": {"icon":"","label":"Phoenix","action":"omarchy-launch-floating-terminal-with-presentation 'omarchy-remove-dev-env phoenix'"},
 
   // Update
-  "update.omarchy": {"icon":"","label":"Omarchy","keywords":"system","action":"omarchy-launch-floating-terminal-with-presentation omarchy-update"},
+  "update.omarchy": {"icon":"","label":"Omarchy","keywords":"system","action":"omarchy-launch-floating-terminal-with-presentation omarchy-update"},
   "update.channel": {"icon":"󰔫","label":"Channel","keywords":"stable rc dev edge source"},
   "update.config": {"icon":"","label":"Config","keywords":"refresh default"},
   "update.themes": {"icon":"󰸌","label":"Extra Themes","action":"omarchy-launch-floating-terminal-with-presentation omarchy-theme-update"},

test/shell.d/menu-test.sh

@@ -8,6 +8,7 @@ run_node_test <<'JS'
 const fs = require('fs')
 const menu = requireFromRoot('shell/plugins/menu/MenuModel.js')
 const menuQml = fs.readFileSync(path.join(root, 'shell/plugins/menu/Menu.qml'), 'utf8')
+const defaultMenuJsonc = fs.readFileSync(path.join(root, 'default/omarchy/omarchy-menu.jsonc'), 'utf8')
 
 const parsed = menu.parseMenuJsonc(`
 {
@@ -88,6 +89,17 @@ assertDeepEqual(
   'menu builds display rows'
 )
 
+const defaultItems = menu.parseMenuJsonc(defaultMenuJsonc)
+const defaultById = Object.fromEntries(defaultItems.map(item => [item.id, item]))
+assert(
+  defaultById['update.omarchy'].icon === defaultById['learn.omarchy'].icon,
+  'menu update Omarchy entry uses the menu-font Omarchy icon'
+)
+assert(
+  !defaultMenuJsonc.includes('\ue900'),
+  'menu entries do not use the private Omarchy bar-font glyph'
+)
+
 assert(
   /function select\(delta\)[\s\S]*root\.disarmPointer\(\)[\s\S]*selectedIndex =/.test(menuQml),
   'menu keyboard navigation disarms pointer selection'