Fix: Replace enableHtmlInAppMessages deprecated method with allowUserSuppliedJavascript (v4)

[jaissica12]

Instructions

1. PR target branch should be against development
2. PR title name should follow this format: https://github.com/mParticle/mparticle-workflows/blob/main/.github/workflows/pr-title-check.yml
3. PR branch prefix should follow this format: https://github.com/mParticle/mparticle-workflows/blob/main/.github/workflows/pr-branch-check-name.yml

Summary

• Replacing deprecated enableHtmlInAppMessages setting with new one allowUserSuppliedJavascript

Testing Plan

• Was this tested locally? If not, explain why.
• {explain how this has been tested, and what, if any, additional testing should be done}

Reference Issue (For mParticle employees only. Ignore if you are an outside contributor)

• Closes https://go/j/SDKE-882

[alexs-mparticle]

I love the attempt to make this dynamic, but I would keep the comment explaining the logic for the 10 year difference, since it looks like this is just using 10 as an arbitrary number.