Issue Summary

When now.withDayOfWeek("") is used in A4J rules, it returns nothing.

Steps to Reproduce

1. Create an automation rule to create a ticket in a project or an automation rule with a trigger Issue commented.
2. In the Create issue event, include now.withDayOfWeek("") in the summary or a Log action with Log message - Week :now.dayOfWeek("").
3. Execute the rule and check the week number in the issue summary.

Expected Results

now.withDayOfWeek("") should return the correct date.

Actual Results

now.withDayOfWeek("") returns nothing.

Workaround

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