* [AAE-2200] content-node-selector-panel pass starting site and emit event onSiteChange
* [AAE-2200] content-node-selector handle siteChange event
* [AAE-2200] content-node-selector has good default title
* [AAE-2200] attach-file-widget-dialog handle siteChange event
* [AAE-2200] Minor fixes on attach-file-widget-dialog
* [AAE-2200] site-dropdown reload site list unfil it find its default site
* [AAE-2200] Fix title translation for attach-file-widget-dialog
* fix missing property description
* Unit test fix
* [AAE-2200] Fix title unit tests
* [AAE-2200] Fix sites-dropdown infinite loading
* [AAE-2200] Add content-node-selector-panel siteChange event unit tests
* [AAE-2200] Refactor sites-dropdown unit tests
* [AAE-2200] Refactor the 'allSitesLoaded' check
* [AAE-2200] Add sites-dorpdown default value unit tests
* [AAE-2200] Move getSiteFromNodePath method to sites service
* [create preview]
* [create preview]
* [AAE-2200] Better hasMoreItems check in sites-dropdown (fix unit test)
Co-authored-by: Eugenio Romano <eugenio.romano@alfresco.com>
Co-authored-by: Cano <david.cano.nieto@gmail.com>
Co-authored-by: Eugenio Romano <eromano@users.noreply.github.com>