The delete button should be displayed only when an item is hovered and hidden

[stanisev]

Describe the bug

The delete button should be displayed only when an item is hovered and hidden (via the hide class) by default which was removed In one of the previous MRs

Expected behavior

We should add back removed hint css class

Steps to reproduce the issue

Use master details renderer. All elements of the master details will have the delete button (delete button should be displayed only on hover)

Screenshots

No response

Which Version of JSON Forms are you using?

v3.2.1

Framework

Angular

RendererSet

Other (please specify in the Additional context field)

Additional context

No response

[JBBianchi]

Little typo ~hint~ hide

Discussed in https://github.com/eclipsesource/jsonforms/pull/2229#discussion_r1583038946