Add hook filters tests

server.ts

server/controllers/activitypub/client.ts

server/controllers/api/videos/comment.ts

server/controllers/api/videos/index.ts

server/lib/plugins/hooks.ts

server/lib/plugins/plugin-manager.ts

server/lib/video-blacklist.ts

server/middlewares/validators/videos/videos.ts

server/models/video/video.ts

server/tests/cli/plugins.ts

server/tests/fixtures/peertube-plugin-test-two/main.js

server/tests/fixtures/peertube-plugin-test-two/package.json

server/tests/fixtures/peertube-plugin-test/main.js

server/tests/plugins/action-hooks.ts

server/tests/plugins/filter-hooks.ts

shared/core-utils/plugins/hooks.ts

shared/extra-utils/server/plugins.ts

shared/extra-utils/server/servers.ts