Application crashes after switching from Source view to Diagram, when importing attached definition

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.4.3.47 CE GA47, Master
• Component/s: Workflow
• Labels:
  • 7.4.13-u46
  • interns-BR
• Fix Priority: 3
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/124142
• Bug Type: Default

Description:
Application crashes after switching from Source view to Diagram, when importing attached definition

Steps to Reproduce:

1. Go to Open Menu > Workflow > Process Builder
2. Click on the + button
3. Click on the Source View button
4. Import the attached definition
5. Click on the Diagram View button
6. Click on the Source View button
7. Click on the Diagram View button

Expected Result:
The Diagram should display the imported definition

Actual Result:
The application crashes

Verified on master: bf51a43d53b2e9132101cbd53aca016869a04159