[Storage] Refine track2 OAuth context logic (#25954)

* refine track2 oauth context logic

* add changelog

---------

Co-authored-by: Jin Lei <[email protected]>

Author: yifanz7

src/Storage/Storage.Management/ChangeLog.md

@@ -18,6 +18,7 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
+* Updated Storage account cmdlet output context based on OAuth token 
 
 ## Version 7.3.0
 * Supported account tier Cold

src/Storage/Storage.Management/Common/LazyAzureStorageContext.cs

@@ -83,7 +83,11 @@ public override AzureSessionCredential Track2OauthToken {
             {
                 if (_track2OauthToken == null)
                 {
-                   _track2OauthToken = _track2OAuthTokenFactory();
+                    if (_track2OAuthTokenFactory == null)
+                    {
+                        return null;
+                    }
+                    _track2OauthToken = _track2OAuthTokenFactory();
                     return _track2OauthToken;
                 }
                 return _track2OauthToken;