Since your log ends with:
Mar 10 14:11:30 corrado-n4-nn-0310 systemd[1]: run-snapd-ns-
firefox.mnt.mount: Unmounting timed out. Terminating.
we'll move it to snapd.
** Package changed: ubuntu => snapd (Ubuntu)
** Changed in: snapd (Ubuntu)
Status: Incomplete => New
** Package changed: s
We'll need to find out what is hung exactly. I know snapd has a bug just
like this at the moment.
Also the squares you can see are bug 2056526.
** Project changed: ubuntu-desktop-installer => ubuntu
** Changed in: ubuntu
Status: New => Incomplete
** Tags added: noble
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You received th