Relative DATABASE_URL not resolved according to prismaSchemaFolder

[katywings]

Bug description

Prisma Studio still uses the old DATABASE_URL resolution logic and resolves DATABASE_URL relative to the prisma folder instead of the schema file. Because of the new prismaSchemaFolder feature, prisma/prisma#24609 changed the DATABASE_URL resolution to be based on the location of the schema file.

How to reproduce

1. Choose the sqlite provider
2. Enable the prismaSchemaFolder preview feature and move the main schema file to projectRoot/prisma/schema/main.schema
3. Use a relative DATABASE_URL such as DATABASE_URL=file:../../.data/dev.db
4. Run db migrations - it will correctly create dev.db under projectRoot/.data/dev.db
5. Run prisma studio - it will try to open the db under projectRoot/../.data/dev.db

Expected behavior

Prisma Studio should use the same DATABASE_URL resolution logic as Prisma.

Prisma information

5.19.1

Environment & setup

• OS: Linux
• Browser: Firefox
• Database: sqlite

Prisma logs

No response