Fix light class generation for local classes in scripts

Before this commit, we used script context for all classes
defined in script. However, for local classes in scripts it's mistake,
and now we generate them as usual, despite of the fact we are in script.

#KT-28997 Fixed

compiler/light-classes/src/org/jetbrains/kotlin/asJava/classes/KtLightClassForSourceDeclaration.kt

@@ -362,8 +362,13 @@ abstract class KtLightClassForSourceDeclaration(protected val classOrObject: KtC
                 return InvalidLightClassDataHolder
             }
 
-            return classOrObject.containingKtFile.script?.let { KtLightClassForScript.getLightClassCachedValue(it).value }
-                ?: getLightClassCachedValue(classOrObject).value
+            val containingScript = classOrObject.containingKtFile.script
+            return when {
+                !classOrObject.isLocal && containingScript != null ->
+                    KtLightClassForScript.getLightClassCachedValue(containingScript).value
+                else ->
+                    getLightClassCachedValue(classOrObject).value
+            }
         }
 
         private fun getLightClassCachedValue(classOrObject: KtClassOrObject): CachedValue<LightClassDataHolder.ForClass> {

idea/testData/findUsages/kotlin/script/anonymousObject.0.kts

@@ -0,0 +1,5 @@
+// PSI_ELEMENT: org.jetbrains.kotlin.psi.KtObjectDeclaration
+// OPTIONS: usages
+<caret>object: Any() {
+
+}

idea/testData/findUsages/kotlin/script/anonymousObject.results.txt

@@ -0,0 +1 @@
+

idea/tests/org/jetbrains/kotlin/findUsages/FindUsagesTestGenerated.java

@@ -1379,6 +1379,11 @@ public class FindUsagesTestGenerated extends AbstractFindUsagesTest {
                 KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("idea/testData/findUsages/kotlin/script"), Pattern.compile("^(.+)\\.0\\.(kt|kts)$"), TargetBackend.ANY, true);
             }
 
+            @TestMetadata("anonymousObject.0.kts")
+            public void testAnonymousObject() throws Exception {
+                runTest("idea/testData/findUsages/kotlin/script/anonymousObject.0.kts");
+            }
+
             @TestMetadata("dummy.0.kts")
             public void testDummy() throws Exception {
                 runTest("idea/testData/findUsages/kotlin/script/dummy.0.kts");