App Guide breaks if element is not found

[sjorsschultz]

Package/Widget Name
App Guide v2.0.0

Describe the bug
Widget errors with 'Could not render widget Core.SNP_Guide_Wizard_1.appGuide1' if element is not found on page

To Reproduce
Steps to reproduce the behavior:

1. Configure 2 steps in App Guide widget
2. Make 1 element of step conditional visible on page
3. Start App Guide
4. See error

Expected behavior
Determine beforehand if all elements configured are present in DOM and adjust appropiately the progress steps and last step with 'Complete button'. Skip step if element is not found and proceed to next step.

Screenshots

Desktop (please complete the following information):

• OS: Windows
• Browser: Edge
• Version [e.g. 22]

Additional context
Add any other context about the problem here.