Issue Summary

Using the URL to automatically populate a multi-select field with a single option functions correctly. However, attempting to populate this field with two options, as outlined in the document below, does not yield the desired outcome.
Set up URLs with auto-populated request fields

This is reproducible on Data Center: yes

Steps to Reproduce

1. Create a multi-select customer field with three values.
2. Create a URL to generate an issue with pre-filled multiple select values.

• • http://baseurl//servicedesk/customer/portal/4/create/40?summary=test1&customfield_10303=10305,10306

1. When we try to auto-populate this field with two options, it does not work.
2. 
3. 

Expected Results

both options are auto-opulated in the form.

Actual Results

Only one Option is set in the form.

Workaround

Currently, there is no known workaround for this behavior. A workaround will be added here when available