[ticket/12779] Change order of file lists on automatic update

Also allow collapsing all the groups and collapse categories without user
interaction per default

PHPBB3-12779
[ticket/12674] Use user's colour in 'Last edited' line in sent PMs

PHPBB3-12674
Merge pull request #2677 from nickvergessen/ticket/12779

[ticket/12779] Change order of file lists on automatic update
Merge remote-tracking branch 'Elsensee/ticket/12674' into develop-ascraeus

# By Oliver Schramm
# Via Oliver Schramm
* Elsensee/ticket/12674:
  [ticket/12674] Use user's colour in 'Last edited' line in sent PMs
[ticket/12790] Use \phpbb\db\driver\driver_interface in prune_shadow_topics

PHPBB3-12790
Merge pull request #2681 from Nicofuma/ticket/12790

[ticket/12790] Use \phpbb\db\driver\driver_interface in prune_shadow_topics

* Nicofuma/ticket/12790:
  [ticket/12790] Use \phpbb\db\driver\driver_interface in prune_shadow_topics