Date range for Publish to Live mistakes start date for being greater than end date

• Type: Regression Bug
• Status: Closed
• Resolution: Won't Fix
• Affects Version/s: 6.2.10 EE GA1, 6.2.X EE, 7.0.0 M3
• Fix Version/s: 6.2.10 EE GA1, 6.2.X EE, 7.0.0 M3
• Component/s: Staging
• Labels: None
• Environment: Tomcat 7.0.42 + MySQL 5.5.33. Portal master GIT ID: 825c90fe3ea9e2fb3b6b429a4628816a1bd07523.; Tomcat 7.0.42 + MySQL 5.5.33. Portal ee-6.2.x EE GIT ID: 8020e08719ca11b0f672cb2153229551c7a5b540.; Tomcat 7.0.42 + MySQL 5.5.33. Portal 6.2.10 EE GA1
• Fix Priority: 4

Steps to Reproduce:

1. Start an instance of Liferay and sign in as admin
2. Add a Web Content Display portlet to the Welcome page
3. Activate Local Live staging for Liferay
4. Navigate to staged Welcome page
5. Click Staging > Publish to Live
6. Click Choose Content radio button
7. Click Change next to Date Range > Date Range
8. Make sure Start Date and End Date are both the current date
9. Select a Start Date time before the End Date time (issue is only reproducible if user manually edits the start date time)
10. Click Ok

Expected result:
A Start Date time before an End Date time is a valid case and should be an allowed action if a user manually sets these times.

Actual result:
If a user has edited the start time, but it is still a valid date, the user cannot click Ok and portal displays the error message: "End date must be greater than start date." See attached image.