List known wireless networks first

### Problem

If you live in an apartment complex you'll have a lot of networks listed when you open the indicator. They are ordered by signal strength. If you search for your own network when you want to switch (e.g. you just enabled hotspot, you want to switch between 2.4G and 5G networks etc.) they can be buried in the middle of the constantly changing list if the AP doesn't have the highest signal strength.

### Proposal

Order the list of discovered wireless networks by showing known (saved) networks first and maybe separate them from other networks with a horizontal line.

### Prior Art (Optional)

_No response_