JavaScript errors on Product pages if Product can't be found

[dhardtke]

Expected Behaviour

When opening a product page where the product can't be found, the Product component should not throw.

Actual Behaviour

When loading the page (e.g. http://localhost:4502/content/venia/us/en/products/product-page.i-do-not-exist.html) a JS error appears in the console.

Reproduce Scenario (including but not limited to)

Open a product detail page where the product can't be found.

Steps to Reproduce

1. Open http://localhost:4502/content/venia/us/en/products/product-page.i-do-not-exist.html
2. Notice the error in the console (see the screenshot above)

Platform and Version

AEM 6.5.5 on-premise, CIF Components 1.2.0

Sample Code that illustrates the problem

Logs taken while reproducing problem

[herzog31]

Fixed by #370.