[ticket/12534] Do not abuse errorbox for en/disable confirmation of extensions

PHPBB3-12534
[ticket/12534] Do not use errorbox for multi steps

PHPBB3-12534
[ticket/12534] Fix filter for functional tests

PHPBB3-12534
Merge remote-tracking branch 'nickvergessen/ticket/12534' into develop-ascraeus

* nickvergessen/ticket/12534:
  [ticket/12534] Fix filter for functional tests
  [ticket/12534] Do not use errorbox for multi steps
  [ticket/12534] Do not abuse errorbox for en/disable confirmation of extensions
[ticket/12519] Restore m_approve language description

Restore acl_m_approve language description to:
"Can approve and restore posts"

PHPBB3-12519
Merge pull request #2452 from n-aleha/ticket/12519

[ticket/12519] Restore m_approve language description

* n-aleha/ticket/12519:
  [ticket/12519] Restore m_approve language description
[ticket/12533] Make <a> use all the notification item size

Changed padding CSS to the notifications' `<li>` and it's
`<a>` (immediate child) so that the `<a>` block uses all
 it's container width and height.

To compensate that, I added the padding that was in the
`<li>` to the `<a>`

PHPBB3-12533
[ticket/12533] Make <a> use all the "see all" "button"

Changed the CSS so that the `<a>` of the notifications
list for the "see all" uses all the container.

PHPBB3-12533