4.0.0-beta.3

Added

• Add copy-to-site dialog with per-copy element remapping for multisite menus. (#453).
• Add Navkit migration.

Fixed

• Fixed node.children being empty on cached level-scoped node queries (for example .level(1)) after the first page load. (#452).
• Fixed hierarchical structure being lost when copying nodes to another site. (#452).
• Fixed craft.navigation.nodes() string shorthand and deprecated node query criteria keys setting an unknown menuHandle property on NodeQuery.