a main barrel export is created even when the config is disabled

[chiptus]

What version of kubb is running?

2.4.0

What platform is your computer?

codesandbox

What version of external packages are you using(@tanstack-query, MSW, React, Vue, ...)

No response

What steps can reproduce the bug?

see sandbox https://codesandbox.io/p/devbox/kubb-playbox-5g2n53?file=%2Fgen%2Findex.ts%3A1%2C55

How often does this bug happen?

Every time

What is the expected behavior?

no main barrel export

Swagger/OpenAPI file?

No response

Additional information

No response

[stijnvanhulle]

When used with the group option it broke the logic causing the index.ts files to be created.
I opened a PR to also check on the barrelType so no barrel files would be created.