Regression from #4801

* Track frequently used emojis in web UI

* Persist emoji usage, but debounce commits to the settings API

* Fix #5144 - Add tooltips to picker

* Display only 2 lines of frequently used emojis

- Rename Mastodon::TimestampIds into Mastodon::Snowflake for clarity
- Skip for statuses coming from inbox, aka delivered in real-time
- Skip for statuses that claim to be from the future

Signed-off-by: Marcin Mikołajczak <me@m4sk.in>

* Translate some Esperanto

* More translation

* More Esperanto translation

* Esperanto translation

* Fix mistaken format

* Update oc.json

* Update oc.yml

* Update oc.yml

* Update oc.json

The padding trick was hard-coded to a 16:9 ratio, but we can use
width and height provided from OEmbed information and width
of the card itself to calculate a new height

* Add moderation note

* Add frozen_string_literal

* Make rspec pass

* Encode custom emojis as resolveable objects in ActivityPub

* Improve code style

* [i18n] Korean translation

Add missing Korean translations.

[skip ci]

* start ci

Signed-off-by: Marcin Mikołajczak <me@m4sk.in>

* Fix overflowing in web UI

* Revert fixing dropdown menu modal

* Improve error handling on LinkCrawlWorker

* Ignore TimeoutError and InvalidURIError too
* Record errors to debug log
* Enable dead job queue on LinkCrawlWorker

Since most of acceptable errors were already ignored, only our side issue should go to dead job queue.

* Ignore all http gem errors

PostgreSQL10 has been released, but upgrading from older versions needs dump/restore. If you pull new version without those handling, db service will fail to launch.

To prevent accidentally upgrading, and as a recommended version, this patch specifies PostgreSQL and Redis version.