This fixes not being able to build the repo due to type issues
introduced by the Typescript 4.4 option "useUnknownInCatchVariables",
which is enabled by default in strict mode.
* Move accountability type to shared
* Rely on shared for parse-filter
* Install date-fns
* Support dynamic variables in conditional fields
Closes#7157
* Rework cache handler to be function export
* Add default schema caching
* Add schema cache
* Auto purge schema cache on schema change from api
* Only set last_access value on login
* Add note on schema cache setting
* Declare return types on functions
And a very few other type related minor fixes
* Minor syntax fixes
* Remove unnecessary escape chars in regexes
* Remove unnecessary awaits
* Replace deprecated req.connection with req.socket
* Replace deprecated upload with uploadOne
* Remove unnecessary eslint-disable-next-line comments
* Comment empty functions / catch or finally clauses
* Fix irregular whitespaces
* Add missing returns (null)
* Remove unreachable code
* A few logical fixes
* Remove / Handle non-null assertions which are certainly unnecessary (e.g. in
tests)
