`RealtimeChannel.whenState` doesn't emit a state change when already in state

[Lawrence Forooghian]

It claims to call its callback with a ChannelStateChange, but it doesn't pass any arguments.

┆Issue is synchronized with this Jira Bug by Unito

[sync-by-unito]

➤ Automation for Jira commented:

The link to the corresponding Jira issue is https://ably.atlassian.net/browse/SDK-4058

[Lawrence Forooghian]

Fixed in #1640.