HU1: retain Hungarian in the moved language command metadata

Keep hu in the app.language parameter documentation after the UI command table moved to menus/ui_commands.rs.

crates/ui-egui/src/menus/ui_commands.rs

@@ -66,7 +66,7 @@ pub const UI_COMMANDS: &[(&str, &str, Option<&str>, &str)] = &[
         "app.language",
         "Interface Language",
         None,
-        "{lang?: \"\"|de|fr|es|ja|zh|ar|pt-br|it|uk|ru|cs|pl|ka} — menus and panel names (the macOS menu bar follows at once); without lang, opens Preferences, where it is the first setting",
+        "{lang?: \"\"|de|fr|es|ja|zh|ar|pt-br|it|uk|ru|cs|pl|ka|hu} — menus and panel names (the macOS menu bar follows at once); without lang, opens Preferences, where it is the first setting",
     ),
     (
         "app.flattener",