NXP-14996: Add an operation for the suggestion.
NXP-14996: Add attributes in the Suggestion object for the select2.
NXP-14996: Enable the suggestion box.
NXP-14996: Disable 'searchByKeywords' and 'searchByDate' suggesters for now.
NXP-14996: Handle the url to access the document in the Suggestion.
NXP-14996: Define the properties for the select2 in the contribution.
NXP-14996: Remove dependencies to faceted search.
NXP-14996: Desactivate the suggestion of documents for the user.
NXP-14996: Change value of placeholder.
NXP-14996: Fix tests.