Webapp v11.2.0

This release adds a "Thinking..." indicator when DMing with your hosted Tlonbot and fixes several outstanding UX issues.

Hash ends with iai1n

• Adds a "Thinking..." indicator in DMs with hosted Tlonbots
• Adds a confirmation dialog before deleting a post
• Adds details and random colors to fallback avatars (sigils)
• Removes truncation on bare patp displays
• Removes the interstitial file-type dialog when uploading images / files
• Improves the reliability of references to other messages
• Improves filtering performance on the main chat list
• Improves the appearance of images in chat channels
• Fixes an issue where visiting another users' profile would occasionally fail to fetch profile details
• Fixes an issue where pasting text into the Notebook editor would crash
• Fixes an issue where attempting to join a group with a protocol mismatch resulted in an unrecoverable state