NXP-15380: Make #getUserDefaultCollections part of the Collection API

Conflicts:
	nuxeo-platform-collections/nuxeo-platform-collections-core/src/main/java/org/nuxeo/ecm/collections/api/CollectionManager.java

Conflicts:
	nuxeo-platform-collections/nuxeo-platform-collections-core/src/main/java/org/nuxeo/ecm/collections/api/CollectionManager.java
NXP-14977: Add classes on old form
Merge branch 'feature-NXDRIVE-93-drive-edit'
NXP-15188: Add missing 100% width on select2 tag suggester
NXP-14996: Add translation of the placeholder for the suggestbox.
NXP-15315: disable failing test for now
NXP-15315 fixup tests
NXP-15338: add ArrayStringToDocModelList automation adapter
NXP-15412: define default repositoryName for admin links
NXP-15169: Cleanup exec operations