don't highlight multi-resolved references in KDoc as unresolved

#KT-9413 Fixed

idea/testData/kdoc/resolve/Overloads.kt

@@ -0,0 +1,11 @@
+/**
+ * @see ContainingClass.classOv<caret>erload
+ */
+class DocReferrer
+
+class ContainingClass {
+    fun classOverload() {}
+    fun classOverload(p: String) {}
+}
+
+// REF: (in ContainingClass).classOverload()