The failed macro results in breaking of editor on the right border.

Issue Description:
The failed macro results in breaking of editor on the right border (Refer Left Screen in attached screenshot).
But after saving the resource with failed macro, the resource is displayed without any breaks containing failed macro error description.

Reference: http://next.dev.curriki.org/xwiki/bin/view/MyCurriki/Collections

Steps to reproduce:
Enter the content in editor.
Insert Macro to the editor such as “Chart”.
Application page will break now.
Save the resource and view the