AZERTY layouts require pressing shift to press a number at all, so
it triggers a column switch even when simply typing numbers in
textarea

* Add foreign key constraint to column `account` in `account_moderation_notes`

* Change account_id and target_account_id to non-nullable in account_moderation_notes

* Add dependent: :destroy to account and target_account in account_moderation_notes

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