Add null check for product recommendation image

[herzog31]

• Prevents exception for products in product recommendation block without images.

Test URLs:

• Before: https://main--aem-boilerplate-commerce--hlxsites.aem.live/
• After:
  • https://usf-1779--aem-boilerplate-commerce--hlxsites.aem.live/
  • https://usf-1779--aem-boilerplate-commerce--hlxsites.aem.live/products/crown-summit-backpack/24-MB03

[aem-code-sync]

Hello, I'm the AEM Code Sync Bot and I will run some actions to deploy your branch and validate page speed.
In case there are problems, just click a checkbox below to rerun the respective action.

• Re-run PSI checks
• Re-sync branch

Commits

• e0c85a8 ✅ (latest)

[aem-code-sync]

	Page	Scores	Audits	Google
📱	/
🖥️	/
📱	/products/crown-summit-backpack/24-MB03
🖥️	/products/crown-summit-backpack/24-MB03