ui: show removed and pending data of last run in bytes

ui: show removed and pending data of last run in bytes

Show the removed and pending data of the last run formatted with
Proxmox.Utils.format_size for better readability identically to data
display in the overview tab.

Signed-off-by: Stefan Lendl <s.lendl@proxmox.com>
Tested-by: Gabriel Goller <g.goller@proxmox.com>
Reviewd-by: Gabriel Goller <g.goller@proxmox.com>
Reviewed-by: Lukas Wagner <l.wagner@proxmox.com>
Suggested-by: Lukas Wagner <l.wagner@proxmox.com>