Fix multiple account list not displaying in threads in XF2.3
Fix unexpected dependency on User Essentials causing a return type error when User Essentials is not installed
- When multi-account thread creator validation fails, log an error to help diagnose why
Change log
- Force global namespace for functions which are known to be optimizable to bytecode in php
- Better handle expected global XF options not existing as expected (ie during upgrades/installs)