FIO-7588: fixed string value for Survey and Select

[TanyaGashtold]

Link to Jira Ticket

https://formio.atlassian.net/browse/FIO-7588

Description

What changed?

• before string value for Survey looked like stringified object, changed it so that it looks like as string with question and answer labels separated by ";"
  Before: {"quest1":"b","quest2":"a"}
  Now: 'Question 1: B; Question 2: A'
• modified asString method of select component, so that in case of csv option, it returns plain text without HTML
• fixed updateRenders method as before it does not update all renders due to wrong directory.
• added/modified tests

Dependencies

https://github.com/formio/reporting/pull/13

How has this PR been tested?

Manually + tests

All tests passed 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