[x] All of your commits have been signed-off with the correct email address (the same one that you
used to sign the CLA) Hint: use the -s argument when committing.
[x] If This PR fixes an issue, that you reference the issue below. OR if this is a new issue that
you are fixing straight away that you add some Description about the bug and how this will fix it.
[x] If this is new functionality, You have added the appropriate Unit tests.
This change will clear the disconnected buffer when a clean session is made.
Please make sure that the following boxes are checked before submitting your Pull Request, thank you!