For you information, JIRA Rich Text field is not compatible with Salesforce Rich Text field is JIRA Rich Text Editor is using wiki renderer as know as Wiki Markup and Salesforce Rich text field is using HTML.
Please be noted that we have launched our new ServiceRocket Atlassian Community and the existing community will be taken down on May 30th, 2017. No new comments can be made after February 28th, 2017. To obtain your access to the new community, kindly follow the instructions in this page.
We would suggest you to create new topic / questions based on the on going topics / questions of yours in the new community.