Change api output for videos

...angular/videos/components/list/videos-list.component.html

client/angular/videos/models/video.ts

server/controllers/api/v1/videos.js

server/lib/videos.js

server/middlewares/reqValidators/videos.js

server/tests/api/multiplePods.js

server/tests/api/singlePod.js

server/tests/api/utils.js