FIO-9813: Make validateWhenHidden to sepend on the parent component validateWhenHidden property

[alexandraRamanenka]

Link to Jira Ticket

https://formio.atlassian.net/browse/FIO-9813

Description

Previously, validateWhenHidden was completely independent for every component and Nested Form did not have that property at all producing some unexpected results. Now any nested component will be validated being hidden only if 1. It has validateWhenHidden set to true & 2. If it's parent data component has validateWhenHidden set to true (if it is inside a parent data component)
Notice that the Nested Forms submitted as reference will still trigger the validation error for validateWhenhidden component even if the Nested Form component does not have validateWhenHidden property set. This is because server creates a separate submission for the nested form and validate it outside of the parent form context and such submission must be valid outside the parent's context, so this is a completely expected behaviour.

Breaking Changes / Backwards Compatibility

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Dependencies

formio/core#229

How has this PR been tested?

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Checklist:

• I have completed the above PR template
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation (if applicable)
• My changes generate no new warnings
• My changes include tests that prove my fix is effective (or that my feature works as intended)
• New and existing unit/integration tests pass locally with my changes
• Any dependent changes have corresponding PRs that are listed above