add UI feedback after saving a routine

[vilanell000]

Hi, I noticed that when editing a routine and hitting "Save", the data actually gets saved (after checked), but there’s no clear feedback in the UI.
I didn’t see any success message, so it feels a bit confusing — I wasn’t sure if the changes went through.
(I also tried asking on Discord but didn’t get a reply yet )

Before saving:

After saving:

Here’s an idea:
after clicking save, the button could briefly show ❎ if it fails or ✅ if it succeeds, then switch back to the normal "Save" button.

This could probably be made as a reusable component.