Workaround NonClasspathClassFinder not supporting inner classes

Explicitly split qualified names, can be removed once platform is fixed

 #KT-19310 Fixed

idea/testData/script/definition/highlighting/javaNestedClass/lib/lib/JavaInterface.java

@@ -0,0 +1,13 @@
+package lib;
+
+public interface JavaInterface {
+    public interface F {
+        public interface I {
+
+        }
+    }
+
+    public class G {
+
+    }
+}

idea/testData/script/definition/highlighting/javaNestedClass/script.kts

@@ -0,0 +1,9 @@
+import lib.*
+
+fun f(
+    <warning>g</warning>: JavaInterface.G,
+    <warning>f</warning>: JavaInterface.F,
+    <warning>i</warning>: JavaInterface.F.I
+) {
+
+}

idea/testData/script/definition/highlighting/javaNestedClass/template/template.kt

@@ -0,0 +1,28 @@
+package custom.scriptDefinition
+
+import kotlin.script.dependencies.*
+import kotlin.script.templates.*
+import java.io.File
+import java.util.concurrent.CompletableFuture
+import java.util.concurrent.Future
+
+class TestDependenciesResolver : ScriptDependenciesResolver {
+    override fun resolve(
+            script: ScriptContents,
+            environment: Map<String, Any?>?,
+            report: (ScriptDependenciesResolver.ReportSeverity, String, ScriptContents.Position?) -> Unit, previousDependencies: KotlinScriptExternalDependencies?
+    ): Future<KotlinScriptExternalDependencies?> {
+        return CompletableFuture.completedFuture(
+                object : KotlinScriptExternalDependencies {
+                    override val classpath: Iterable<File> = listOf(
+                            environment?.get("lib-classes") as File
+                    )
+
+                    override val imports: Iterable<String> = listOf("custom.library.*")
+                })
+
+    }
+}
+
+@ScriptTemplateDefinition(TestDependenciesResolver::class, scriptFilePattern = "script.kts")
+class Template