[feature]: Provide Date Helper to convert UNIX timestamp values to ISO8601 date format

[igorbeslic]

Tell us about the problem you're trying to solve

External system returns date as UNIX timestamp. Other systems that we integrate with expect ISO8601

Describe the solution you’d like

It would be nice to have DateHelper (something like text-helper component) that can convert date values.

Describe the alternative you’ve considered or used

I do not see alternative for this

Additional context

No response