Each connection now has a delete icon to forget a saved connection.
List can still be generated to include the checkbox to forget multiple.
Follows mockups for wi-fi panel. Add translation comments.
Boy this was hard.
To ease the pain of porting wireless-security to GTK4, add
a new WsFileChooserButton class that mimics the behavior of
a button that triggers a filechooser, as per the migration
guide suggests.
There were lots of GtkGrids, so the diff is particularly
horrendous. Sorry.
This needs serious testing before landing.