Removes the -DPUBLIC_RELEASE flag. Cemu's debug asserts are now only enabled if the build configuration is Debug. Similarly, on Windows the console is only shown for Debug builds.
Also adds some code for enabling multi-user support inside apps maybe, but it's probably hardcoded in more places since Cemu currently only shows the active account.
* Update OpenSSL hash functions to OpenSSL 3.0
* Fix invalid sscanf format in DownloadManager
* Fix unset return value warning
* Fix erroneous check on otpMem in iosu_crypto
