Dropdown: some sections are incorrect

[sebj54]

Hi there,

Another issue about dropdown (sorry for the spam), these sections are incorrect:

https://formkit.com/inputs/dropdown#dropdown-truncate

According to Genesis theme, the correct section names do not include the prefix selector. See:

https://github.com/formkit/formkit/blob/77dac32ea510666241caed6390298e96c3cb7fd9/packages/themes/src/tailwindcss/genesis/index.ts#L531-L542