Implement Abstract Member: Navigate to the generated declaration

#KT-12290 Fixed
(cherry picked from commit 6274c6b)

idea/testData/intentions/implementAbstractMember/property/enumClassWithSemicolonAndMembers.kt.after

@@ -1,14 +1,14 @@
 // WITH_RUNTIME
 // DISABLE-ERRORS
 interface T<X> {
-    val <caret>foo: X
+    val foo: X
 }
 
 enum class E : T<Int> {
     A, B, C;
 
     override val foo: Int
-        get() = throw UnsupportedOperationException()
+        get() = <caret><selection>throw UnsupportedOperationException()</selection>
 
     val bar = 1