FIO-6495: fixed an issue where revision ID of nested form does not tr…

[KatrinKhilko]

…ansfer from stage to stage

Link to Jira Ticket

https://formio.atlassian.net/browse/FIO-6495

Description

Previously as revision of nested form component was used a _id, now we switched to revisionId to maintain consistency between different stages.

Dependencies

formio/formio#1725
https://github.com/formio/formio-server/pull/1455

How has this PR been tested?

Tested locally

Checklist:

• 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