This pull request tidies up some previous migrations by making sure there's a proper snapshot in the migrations folder of what interaction policies looked like at the time the migration was written, rather than using the moving target `internal/gtsmodel`.
Reviewed-on: https://codeberg.org/superseriousbusiness/gotosocial/pulls/4171
Co-authored-by: tobi <tobi.smethurst@protonmail.com>
Co-committed-by: tobi <tobi.smethurst@protonmail.com>
* convert statuses.visibility and notifications.notification_type columns from type string -> int for performance / space savings
* fix test trying to compare string to int
* fix instance count query using string literal instead of gtsmodel const type
* ensure a default value is always set
* also migrate the account settings and sin bin status tables
* initialize maps outside loops and place into singular enum mapping creation func
* use int16 for enum types
* update sinbinstatus creation to be from a snapshot at initial creation
* add snapshot of poll type at creation time
