2nd-level dropdown fields are not indicated to be dropdowns.

[dessalines]

Pre-Flight checklist

• Did you check to see if this issue already exists?
• This is a single feature request. (Do not put multiple feature requests in one issue)
• This is not a question or discussion. (Use https://lemmy.ml/c/jerboa for that)

Describe The Feature Request Below

The ‘top’ option in the Sort by dropdown is also a dropdown, but this information is not conveyed to screen readers. The same is the case for the Copy, Share and Block options under the ‘More Options’ menu listed under posts when viewed in the Card Post View Mode.