Decouple botframework-directlinejs from business logics (#4645)

* Decouple botframework-directlinejs

* Update entry

* Update entry

Author: compulim

CHANGELOG.md

@@ -22,6 +22,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+### Added
+
+-  Resolved [#4643](https://github.com/microsoft/BotFramework-WebChat/issues/4643). Decoupling `botframework-directlinejs` from business logic of Web Chat for better tree-shaking, by [@compulim](https://github.com/compulim), in PR [#4645](https://github.com/microsoft/BotFramework-WebChat/pull/4645)
+
 ## [4.15.7] - 2023-02-15
 
 ### Added

packages/core/src/sagas/connectSaga.js

@@ -2,7 +2,6 @@
 
 import { call, cancel, cancelled, fork, put, race, take } from 'redux-saga/effects';
 
-import { ConnectionStatus } from 'botframework-directlinejs';
 import decode from 'jwt-decode';
 
 import { CONNECT } from '../actions/connect';
@@ -15,7 +14,9 @@ import { DISCONNECT, DISCONNECT_PENDING, DISCONNECT_FULFILLED } from '../actions
 
 import { RECONNECT } from '../actions/reconnect';
 
-const { Connecting: CONNECTING, Online: ONLINE, Uninitialized: UNINITIALIZED } = ConnectionStatus;
+const CONNECTING = 1;
+const ONLINE = 2;
+const UNINITIALIZED = 0;
 
 function randomUserID() {
   return `r_${uniqueID().substr(0, 10)}`;