Updating answer solution field with BUI EXtension works in Chrome but not in Firefox

Summary:

Updating answer solution field with BUI EXtension works in Chrome but not in Firefox

Content (required):

We have a workspace extension in place that appends reusable snippets of html to the solution field of an answer.

This works as expected in Google Chrome but in Firefox the solution fields is not updated.

Is there a different way of handling this for firefox?

Version (include the version you are using, if applicable):

Version 22C

Code Snippet (add any code snippets that support your topic, if applicable):

// example of html passed to solution field

<div class="item-container">

    <div style="background:#eeeeee;border:1px solid #cccccc;padding:5px 10px;">