Prisma Postgres Unsupported/dbgenerated() bug

Prisma v4.4 still wants to drop column defaults for Unsupported columns using dbgenerated().

Reference GH issue: prisma/prisma#14799

Repro instructions

  1. Update .env with a new db
  2. yarn install
  3. yarn prisma migrate dev
  4. Notice the new migration it tries to create & run:
-- AlterTable
ALTER TABLE "table" ALTER COLUMN "hereBeDragons" DROP DEFAULT;