settings: Default to starting app on login.
settings: Default to starting app on login.

Acts on an observation that it is easier to turn off auto-start on login
than it is to turn on.
zulip/zulip-desktop,zulip/zulip-electron,zulip/zulip-desktop,zulip/zulip-desktop,zulip/zulip-electron,zulip/zulip-electron,zulip/zulip-desktop