Issue #8256 by turegjorup: Added public URLs to serilazation of media objects to add them to ElasticSearch and updated media in SPA to use this data
Merge branch 'development' of github.com:Indholdskanalen/indholdskanalen into development

Conflicts:
	src/Indholdskanalen/MainBundle/Resources/config/services.yml
Resolved Conflicts: src/Indholdskanalen/MainBundle/Resources/config/services.yml