实验性Edit
Edit: "editor:menu:edit"
实验性Experimental
Experimental: "editor:menu:experimental"
实验性Extensions
Extensions: "editor:menu:extensions"
实验性File
File: "editor:menu:file"
实验性Help
Help: "editor:menu:help"
实验性View
View: "editor:menu:view"
实验性WorldOptions
WorldOptions: "editor:menu:worldOptions"
Predefined top level menus for core editor