Add line marker test for sealed classes #KT-20043 Fixed

idea/testData/multiModuleLineMarker/fromActualSealedClass/common/common.kt

@@ -0,0 +1,11 @@
+// !CHECK_HIGHLIGHTING
+
+expect sealed class Sealed {
+
+    object Sealed1 : Sealed
+
+    class Sealed2 : Sealed {
+        val x: Int
+        fun foo(): String
+    }
+}

idea/testData/multiModuleLineMarker/fromActualSealedClass/jvm/jvm.kt

@@ -0,0 +1,11 @@
+actual sealed class <lineMarker>Sealed</lineMarker> {
+
+    actual object <lineMarker>Sealed1</lineMarker> : Sealed()
+
+    actual class <lineMarker>Sealed2</lineMarker> : Sealed() {
+        actual val <lineMarker>x</lineMarker> = 42
+        actual fun <lineMarker>foo</lineMarker>() = ""
+    }
+}
+
+