* fix: convert loginDays and loginSeconds to number inputs
* feat: configurable session timeout for when "Remember Me" is not checked
closes#11124
* test: addition tests to check loginDays and sessionDuration settings
* test: also test loginSeconds override
* breaking: remove `SocketUser.emailConfirm`, re: #10954
* chore: move email confirmation related configs to own section in Settings > Email
* feat: new user email method `getValidationExpiry`, returns expiration in ms.. probably.
* fix: bug where `user.email.isValidationPending` returned an u nexpected non-boolean value if there was no confirmation pending (only when checking email as well)
* fix: update getValidationExpiry to return ms
* test: use emailConfirmInterval for tests, for now
* fix: throw friendly error when attempting an email change within email confirmation window
* feat: new config option `emailConfirmExpiry` in days, governs how long the confirm link is good for
* test: additional tests for user email methods
* fix: add back missing handling of option
* test: fix tests
* feat: allow plugins to add to admin cache list
resolves #10820
plugins will have to use `filter:admin.cache.get` hook and just add their own cache to the object there.
* feat: add dump to ttlCache and expose properties
* feat: also expose properties under their current names
* feat: display TTL if set
* feat: WIP topic linkbacks, + failing tests
* test: don't accidentally comment out all of the post tests
* fix: rename to "backlinks"
* feat: more stub code, more failing tests
* feat: backend methods and passing tests for topic backlinks
* test: uncomment test/posts.js again
* fix: missing quotation mark in topic event helper
* fix: superfluous usage of Promise.all
* test: fix broken test -- used hardcoded (and incorrect) url
* test: parseInt shenanigans
* feat: column based view on wide priv. tables
* fix: add group/user
* feat: copy buttons to work on visible privs
* feat: show what's being copied in modal
* feat: optional title and message for category selector modal