Fixes to allowing users to open a diff view for ipynb files (#8081) * Fixes to allowing users to open a diff view * Updated code review comments

Fixes to allowing users to open a diff view for ipynb files (#8081) * Fixes to allowing users to open a diff view * Updated code review comments

0.8.0 release 

new version 

new version 

updated version for new build 

update version 

updated version 

updated list of contributors 

updated change log