FIO-7826 fixed drag and drop for pdf

[HannaKurban]

Link to Jira Ticket

https://formio.atlassian.net/browse/FIO-7826
https://formio.atlassian.net/browse/FIO-7827

Description

Fixed ability to drag and drop components to PDF form after first dragged component. Fixed an issue with opening a modal window with settings for PDF Builder

Breaking Changes / Backwards Compatibility

no

Dependencies

no

How has this PR been tested?

all tests pass locally

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

[lane-formio]

Expecting to revert #5206 to resolve this issue. Closing PR for now.