Nightly 20260924

Nightly build of Voyage at d624d52325.

Changes since nightly 20260923:

• d624d52325 Fix reactions that can't be removed or flash back after un-reacting
• 99e9e12e31 Keep multi-word quick reactions intact
• 15a774ef2a Flash a jump target in place when it is already on screen
• 523c68ebaa Extend the media viewer's bar dims under the system bars
• bf051d97d0 Fix failing unit tests and detekt findings
• 862e95c1b9 Let long screenshots scroll the timeline
• 150b2f13b7 Stop rooms taking seconds to open
• 6aadcdf396 Stop scroll animations replaying on items already on screen
• 30fbc4e246 Remove the new session manager and polish the legacy one
• c958b87295 Stop compressed videos coming out rotated
• 9884479866 Send only the app name as the User-Agent
• b2b65ded79 Open the message actions sheet with its content already in place
• cb70690e4c Mark a room unread when a reaction arrives in it
• 390c7f8a26 Stop the autocomplete popup flashing open when a query has no matches
• 9b5c4c3a64 Show the date above the topmost message while older history loads
• 8427696c99 Keep the selected reaction pill translucent on every theme and accent
• f3a22d92e5 Only open a thread from the thread summary
• 3e921b57c2 Retire the unread-messages separator once it has been seen
• 10283d8494 Put a plain-text rendering in the legacy room topic field
• 38a2abec7a Retry failed messages one at a time
• 5836edbc85 Carry audio metadata on m.audio events (MSC4549)