Fix marc leader indentation when using type

[dr0i]

See #548.

[dr0i]

Functional review: @TobiasNx . (see PG-test mentioned in #548 (comment))
Code review: @blackwinter

[TobiasNx]

+1

Tetsed: https://test.metafacture.org/playground/?flux=%22https%3A//raw.githubusercontent.com/metafacture/metafacture-core/master/metafacture-runner/src/main/dist/examples/read/marc21/10.marc21%22%0A%7C+open-http%0A%7C+as-lines%0A%7C+decode-marc21%0A%7C+fix%28transformationFile%29%0A%7C+encode-marcxml%0A%7C+print%0A%3B&transformation=add_field%28%22type%22%2C%22Bibliogrphic%22%29

https://test.metafacture.org/playground/?flux=%22https%3A//d-nb.info/1106253078/about/marcxml%22%0A%7C+open-http%28accept%3D%22application/xml%22%29%0A%7C+decode-xml%0A%7C+handle-marcxml%0A%7C+encode-marcxml%0A%7C+print%0A%3B

Both look good :)

incidental finding: When adding the type value to a previous marc21 record to encode as marcxml as (| encode-marcxml(ensureCorrectMarc21Xml="true")) it does not provide the type attribute to record:

https://test.metafacture.org/playground/?flux=%22https%3A//raw.githubusercontent.com/metafacture/metafacture-core/master/metafacture-runner/src/main/dist/examples/read/marc21/10.marc21%22%0A%7C+open-http%0A%7C+as-lines%0A%7C+decode-marc21%0A%7C+fix%28transformationFile%29%0A%7C+encode-marcxml%28ensureCorrectMarc21Xml%3D%22true%22%29%0A%7C+print%0A%3B&transformation=add_field%28%22type%22%2C%22Bibliogrphic%22%29

Opening another issue for this.

[dr0i]

Deployed, see https://metafacture.org/playground/?flux=%22https%3A//d-nb.info/1106253078/about/marcxml%22%0A%7C+open-http%28accept%3D%22application/xml%22%29%0A%7C+decode-xml%0A%7C+handle-marcxml%0A%7C+encode-marcxml%0A%7C+print%0A%3B%0A.
Closed.