K2 Scripting: add support for script args to FIR part

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/NodeConfigurator.kt

@@ -471,6 +471,7 @@ object NodeConfigurator : AbstractFieldConfigurator<FirTreeBuilder>(FirTreeBuild
             +name
             +fieldList(statement).withTransform()
             +symbol("FirScriptSymbol")
+            +FieldList("parameters", variable, withReplace = false)
             +fieldList(contextReceiver, useMutableOrEmpty = true)
         }