Update comments and arguments for occupancy

Author: ttypic

Sources/AblyChat/DefaultOccupancy.swift

@@ -72,7 +72,7 @@ internal final class DefaultOccupancy: Occupancy {
             }
         }
 
-        // (CHA-O3) Users can request an instantaneous occupancy check via the REST API. The request is detailed here (https://sdk.ably.com/builds/ably/specification/main/chat-features/#rest-occupancy-request), with the response format being a simple occupancy event
+        // (CHA-O3) Users can request an instantaneous occupancy check via the REST API. The request is detailed here (https://sdk.ably.com/builds/ably/specification/main/chat-features/#rest-occupancy-request), with the response format being a simple occupancy data
         internal func get() async throws(ARTErrorInfo) -> OccupancyData {
             do {
                 logger.log(message: "Getting occupancy for room: \(roomName)", level: .debug)

Sources/AblyChat/Occupancy.swift

@@ -63,8 +63,6 @@ public extension Occupancy {
     }
 }
 
-// (CHA-O2) The occupancy event format is shown here (https://sdk.ably.com/builds/ably/specification/main/chat-features/#chat-structs-occupancy-event)
-
 /**
  * Represents the occupancy of a chat room.
  */
@@ -89,6 +87,7 @@ public enum OccupancyEventType: String, Sendable {
     case updated
 }
 
+// (CHA-O2) The occupancy event format is shown here (https://sdk.ably.com/builds/ably/specification/main/chat-features/#chat-structs-occupancy-event)
 public struct OccupancyEvent: Sendable {
     public let type: OccupancyEventType
     public let occupancy: OccupancyData