Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1458817

Description of problem:

Prioritize attribute order feature for puppet class override does not allow more than 255 characters.

Version-Release number of selected component (if applicable): 6.2.9

How reproducible: Always

Steps to Reproduce:
1. Go to Sat Webui, "Configure" --> "Classes" --> Select a class
2. Go to "Smart Class Parameter" --> Select a class and click on override
3. Enter/paste more than 255 chars in the "Order" field and try to save it

Actual results:

Errors out with "is too long (maximum is 255 characters)"

Expected results:

Should get accepted

Additional info:

Customer is trying for 604 chars