Add-ons 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

• Require Search Improvements v2.10.0+
• Improve how conversations are filtered out of search results when using XFES without ElasticSearch Essentials