creatibutors modal: add support suggestion and autofill

[ppanero]

• [x] Add a top level search field,

• [x] Display suggestions

• [x] Autofill the form when one of the suggestions is chosen ld

• [x] Make modal collapsable

[ppanero]

Comments regarding the implementation done in zenodo/react-invenio-deposit: Avoid using createRef for affiliations and identifiers. Instead use local component state + formik state + passing handlers as prop.

[slint]

Closed via #410