Harden authentication against session fixation
Thanks to Rico Kaltofen.
Merge branch 'fix/fileupload-uuid' of https://github.com/dmolineus/co…
…ntao-core into hotfix/3.5.16
Merge branch 'hotfix/autofocus' of https://github.com/Toflar/contao-c…
…ore-fork into hotfix/autofocus
Merge branch 'fix/session-fixation-hardening' of https://github.com/d…
…iscordier/core into hotfix/3.5.16
Revert "Do not cache or search 403 and 404 pages (see #8410)."
This reverts commit ddceb0f.
Merge branch 'bugfix/page-selector-roots' of https://github.com/qzmin…
…ski/core into hotfix/root-nodes
Merge branch 'issue-8443' of https://github.com/aschempp/contao-core …
…into hotfix/file-meta