Bottom bar of editor disappears when editing table in IE if jira connector plugin is disabled

If jira connector plugin is disabled, the bottom bar of editor (where "Save" and "Preview" buttons are located) is shown half in IE and it disappears when editing a table.

Occurs in IE 8 and 9

Steps to Reproduce

1. Go to Confluence Admin > Plugins > Show System Plugins
2. Disable jira-connector plugin
3. Go to any page to edit. Notice that the bottom bar is shown almost half
   
4. Create a table with some rows and click on the table. The bottom bar disappears
   

Workaround
Enable the jira-connector bundled plugin