page-row: Add the favicon, loading spinner and volume output

This add the favicon image, a spinner to notify the page is loading and
a speaker to notify sound is played, hence matching the tabs' features.

Fixes #647.
1 job for master in 5 minutes and 38 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #199139
flatpak

00:05:38