OptionalargsOptionalcanDetermines whether the entry should be shown.
Note that while one can just use tiptap's can() method, some commands are
expensive to execute, so it's better to just do a more generic lightweight check in those situations.
OptionaldescriptionOptionalicon
Args to pass to the command.
A function to determine those args can also be passed instead.
What context is provided to the function depends on the meny.