Misc: Support light-methodless members in overrider search

In particular, support line markers for expect-class members
and navigation to expect-class members from corresponding base members

idea/testData/multiModuleLineMarker/hierarchyWithExpectClassCommonSide/jvm/jvm.kt

@@ -2,6 +2,12 @@
 
 package test
 
-actual open class ExpectedChild : SimpleParent()
+actual open class ExpectedChild : SimpleParent() {
+    actual override fun foo(n: Int) {}
+    actual override val bar: Int get() = 1
+}
 
-class ExpectedChildChildJvm : ExpectedChild()
+class ExpectedChildChildJvm : ExpectedChild() {
+    override fun foo(n: Int) {}
+    override val bar: Int get() = 1
+}