Script pop-up appears when user goes out of process builder window

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.4.1 CE GA2, 7.4.13 DXP GA1, Master
• Component/s: Workflow
• Labels: None
• Fix Priority: 3
• Git Pull Request: https://github.com/liferay-workflow/liferay-portal/pull/373

Description:
Script pop-up appears when user goes out of process builder window

Steps to Reproduce:

1. Go to Open Menu > Workflow > Process Builder > "+" button
2. Delete the existing connector
3. Insert a new connector for a Condition node
4. Select the Condition node's Script property and click Save
5. Connect the Condition node with the End node
6. Add a new Condition node and delete it
7. Fill in the Workflow Title field
8. Click the Publish button
9. Go to Open Menu > Liferay DXP Site

Expected Result:
The system should show the DXP initial page

Actual Result:
The DXP initial page is shown with the script's pop-up

Verified on master: ec84d86679146b84af526f96471a730c340dda78