Update to Kotlin 1.9.0 and migrate to newer language idioms.
- Remove unnecessary @OptIn for features migrated to mainstream
- Use `data object` where appropriate
- Use new enum `entries` property
* 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
* update Android Image Cropper and get rid of deprecated onActivityResult
* add comment why skipping caches is necessary
* inject application into EditProfileViewModel instead of passing it everytime
* remove search v1, convert MastodonApi to Kotlin
* format MastodonApi nicely
* use default params in ConversationRepository
* improve code for LoginActivity
* upgrade to AndroidX, upgrade libraries
* move to MaterialComponents theme
* make sure the compose button looks good everywhere
* fix tollbar title/button alignment on tablet
* move to new material color theming, consolidate colors and themes
* fix build, fix imports
* set error on TextInputLayout instead of EditText
* fix imports, TootButton when
* improve snackbar style
* fix task description color