Update RoomStatus and ConnectionStaus interfaces

[sacOO7]

• Rename/Refactor Room and Connection interfaces according to Renaming Lifecycle Types for clarity DR
• This change affects how public API are exposed for Room and Connection. See DR for more details.

┆Issue is synchronized with this Jira Task by Unito

[sacOO7]

Related chat-js PRs https://github.com/ably/ably-chat-js/pull/382/files and https://github.com/ably/ably-chat-js/pull/388