Merge branch 'feature/mastoapi-ext-conversation-id' into 'develop'

docs/Differences-in-MastodonAPI-Responses.md

lib/pleroma/web/common_api/utils.ex

lib/pleroma/web/mastodon_api/views/status_view.ex

lib/pleroma/web/twitter_api/twitter_api.ex

lib/pleroma/web/twitter_api/twitter_api_controller.ex

lib/pleroma/web/twitter_api/views/activity_view.ex

test/web/common_api/common_api_utils_test.exs

test/web/mastodon_api/status_view_test.exs

test/web/twitter_api/twitter_api_test.exs

test/web/twitter_api/views/activity_view_test.exs