v0.12.0-dev08

Eighth dev pre-release of the 0.12.0 minor.

Added

• Change your own password from the Profile screen: current password, new password, and confirm. Leaving the new password blank removes it (with a confirmation warning first), the same "no password" option the official Jellyfin clients offer. Administrator accounts can't be left without a password, matching a server-side restriction.

Tester build, report anything odd. The in-app updater's Dev channel will offer future dev builds automatically.