Gradle-Grails: addiotional Grails Run Configuration options are ignored

**Build 138.1283.3**

Create a Grails project with no Gradle.
In created Run Configuration add some invalid VM option (say, -fghfgh).
Run the application - it fails with the error:
```
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.
Unrecognized option: -fghfgh
```
Now do the same in a Grails+Gradle project - application successfully starts.

---

*Imported from [IDEA-127791](https://youtrack.jetbrains.com/issue/IDEA-127791) · Type: Bug · Votes: 0*
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No files or tests are named. Reproduce the invalid VM-option case in both a plain Grails project and a Grails+Gradle project, then trace the run-configuration entry point handling additional options. Done means the Gradle-backed configuration passes the option to the JVM and reports the same invalid-option failure instead of starting successfully.

Written by the indexing model from the issue text.