feat(ui): remove input field from form button on node field

[csehatt741]

Summary

A new feature was implemented to remove input field from form

• existing buildSelectWorkflowFormNodeExists selector was refactored into buildSelectWorkflowFormNodeElement in selectors.ts to return the selected workflow form node element
• useAddNodeFieldToRoot custom hook was refactored into useAddRemoveFormElement in order to also define the removeNodeFieldFromRoot callback
• InputFieldAddToFormRoot component was refactored into InputFieldAddRemoveFormRoot in order to handle both states when the node field has and when it has not been added to the form
• new tanslation, removeFromForm, was added to en.json

Related Issues / Discussions

Closes #8444

Checklist

• The PR has a short but descriptive title, suitable for a changelog
• Tests added / updated (if applicable)
• Documentation added / updated (if applicable)
• Updated What's New copy (if doing a release after this PR)