افزونه 2 Conversation Improvements by Xon 2.4.6

• Add "silently edit" feature for editing conversation messages, requires the "edit any message" permission

• Fix edited conversation messages lacked the "Last edited:" marker after they had been edited

• Code style cleanup
• Use strict equality checks
• Force global namespace for functions which are known to be optimizable to bytecode in php

• Remove unneeded SV/Utils bundle from redistributable, removing from hashes.json