Nightly 20261002

Nightly build of Voyage at 0aecd67777.

Changes since nightly 20261001:

• 0aecd67777 Open image pack entries in the media viewer
• 1c36f62d8f Fix image pack reorder crash
• f556a570dc Draft image pack edits locally until Apply
• 372eceb1fc Add via: option to /join and drop /joinSpace
• 5515d5d62d Break sender grouping after messages rendered as notices
• b7061146f6 Fix media previews with caption and long filenames
• 3f56aa8d10 Enable text selection in media captions
• 0e45c9faa2 Work around framework crash in the composer's spelling-suggestion popup