Move remaining static properties from BaseRealtime to DefaultRealtime

These properties are only used by the tests and are not part of the
public API. Let’s move them out of BaseRealtime to make it more
tree-shakable.

src/common/lib/client/baserealtime.ts

@@ -9,7 +9,6 @@ import ProtocolMessage from '../types/protocolmessage';
 import { ChannelOptions } from '../../types/channel';
 import ClientOptions from '../../types/ClientOptions';
 import * as API from '../../../../ably';
-import ConnectionManager from '../transport/connectionmanager';
 import { ModulesMap } from './modulesmap';
 
 class BaseRealtime extends BaseRest {
@@ -37,10 +36,6 @@ class BaseRealtime extends BaseRest {
     Logger.logAction(Logger.LOG_MINOR, 'Realtime.close()', '');
     this.connection.close();
   }
-
-  static Utils = Utils;
-  static ConnectionManager = ConnectionManager;
-  static ProtocolMessage = ProtocolMessage;
 }
 
 class Channels extends EventEmitter {

src/common/lib/client/defaultrealtime.ts

@@ -1,9 +1,16 @@
 import BaseRealtime from './baserealtime';
 import ClientOptions from '../../types/ClientOptions';
 import { allCommonModules } from './modulesmap';
+import * as Utils from '../util/utils';
+import ConnectionManager from '../transport/connectionmanager';
+import ProtocolMessage from '../types/protocolmessage';
 
 export class DefaultRealtime extends BaseRealtime {
   constructor(options: ClientOptions) {
     super(options, allCommonModules);
   }
+
+  static Utils = Utils;
+  static ConnectionManager = ConnectionManager;
+  static ProtocolMessage = ProtocolMessage;
 }