Using job-dsl-plugin 1.48, the snippet generated for the `executeDslScripts` step is completely useless.

Repro steps:
1. Install job-dsl-plugin 1.48
2. Open Pipeline Snippet generator
3. Select generic `step` from first drop-down
4. Select `executeDslScripts` from second drop-down
5. Click "Generate"

Expected Output:
Runable or at least useful code in output box

Actual:
`step <object of type javaposse.jobdsl.plugin.ExecuteDslScripts>`