Allow comma separated glue path in configuration

### 🤔 What's the problem you're trying to solve?

Hello it's me again :D, thanks for the fast reinclude "pretty format" !

I have another request, my cucumber's tests are separated in packages like :
foo.bar.common
foo.bar.a
foo.bar.b

And my runner classes uses the glue path like
```java
@Suite
@IncludeEngines("cucumber")
@SelectClasspathResource("cucumber/a")
@ConfigurationParameter(key = Constants.GLUE_PROPERTY_NAME,
value = "foo.bar.common,"
+ "foo.bar.a")
public class RunCucumberATest {
}

```
(same for foo.bar.**b** version)

If I run it with maven no problem, it works.
If I run it with right click > Run As > jUnit on the runner class no problem.
If I use the "Run" button on feature file (or with right click) I have an error saying I have two classes with @CucumberContextConfiguration which is true, one for A and one for B.
I try to configure glue path in "Run configuration" but it seems that comma separated glue path are not supported ?
```java
Exception in thread "main" java.lang.IllegalArgumentException: The glue path contained invalid identifiers foo/bar/common,foor/bar/a
at io.cucumber.core.feature.GluePath.parseAssumeClasspathScheme(GluePath.java:87)
at io.cucumber.core.feature.GluePath.parse(GluePath.java:65)
at io.cucumber.core.options.CommandlineOptionsParser.parse(CommandlineOptionsParser.java:117)
at io.cucumber.core.options.CommandlineOptionsParser.parse(CommandlineOptionsParser.java:85)
at io.cucumber.core.cli.Main.run(Main.java:70)
at io.cucumber.core.cli.Main.main(Main.java:30)
```

### ✨ What's your proposed solution?

Allow comma separated list like `@ConfigurationParameter(key = Constants.GLUE_PROPERTY_NAME, value = "")` does.

### ⛏ Have you considered any alternatives or workarounds?

My actual workaround, using right click on the runner class with tags

### 📚 Any additional context?

Plugin version: 3.0.0.202509271233