Navigation to implementation / overriding method: do not show method of inline class twice

#KT-28661 Fixed
#KT-26924 Fixed

idea/testData/navigation/implementations/OverridesInInlineClass.kt

@@ -0,0 +1,9 @@
+interface I {
+    fun <caret>x() = 1
+}
+
+inline class Foo(val value: Int) : I {
+    override fun x() = 2
+}
+
+// REF: (in Foo).x()