* handle media size instance limits
* remove unused attributes from Instance entity
* support max_media_attachments
* support pleroma field limits, remove max_bio_chars support
* improve field input margin
* fix tests
* MAX_ACCOUNT_FIELDS -> DEFAULT_MAX_ACCOUNT_FIELDS
* improve "add field" button behavior
* fix copy paste mistake in AccountFieldEditAdapter
* refactor sendStatus to be a suspending function
