The 0.4.11 edit affordance only lived on ServerConnectScreen, which a
connected user never sees. Add edit to NESMenu — the settings modal
reached via two-finger hold while connected: a ✎ pencil on each saved
server opens the form pre-populated (Edit Server header + Cancel),
persists via ServerPreferences.updateSavedServer(), and reconnects when
the edited server is the live one.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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