[frontend] edit saved searches

[jkppr]

Is your feature request related to a problem? Please describe. At the moment there is no way to edit or delete saved searches in the frontend.

Describe the solution you'd like It would be great to edit, rename or delete saved searches from the frontend UI.

Possible related older issue: #1683

[itsmvd]

+1 renaming saved searches, at least the ones I've created myself, would be useful