JVM IR: Avoid direct invokes in callable reference tests

Due to the direct invoke optimization, most callable reference tests
were not generating callable references/lambdas.

compiler/testData/codegen/box/callableReference/function/local/recursiveClosure.kt

@@ -1,7 +1,7 @@
 fun foo(until: Int): String {
     fun bar(x: Int): String =
         if (x == until) "OK" else bar(x + 1)
-    return (::bar)(0)
+    return (::bar).let { it(0) }
 }
 
 fun box() = foo(10)