Kotlin: Enable java/misnamed-type query

We used to get alerts for the class around a local function, a lambda,
or a function reference, which we give name "". Now those are marked as
compiler-generated, and the query ignores compiler-generated types.

java/ql/lib/semmle/code/java/Element.qll

@@ -71,6 +71,8 @@ class Element extends @element, Top {
       i = 11 and result = "Forwarder for a Kotlin class inheriting an interface default method"
       or
       i = 12 and result = "Argument for enum constructor call"
+      or
+      i = 13 and result = "The class around a local function, a lambda, or a function reference"
     )
   }
 }