ability to sort saved posts by the time they were saved at

[RustoMCSpit]

Requirements

• Is this a feature request? For questions or discussions use https://lemmy.ml/c/lemmy_support
• Did you check to see if this issue already exists?
• Is this only a feature request? Do not put multiple feature requests in one issue.
• Is this a backend issue? Use the lemmy-ui repo for UI / frontend issues.

Is your proposal related to a problem?

if i save something today, it should be at the top for example

Describe the solution you'd like.

sort by options, azcending descending

Describe alternatives you've considered.

.

Additional context

LemmyNet/jerboa#1262 (comment)

[Nutomic]

#3229