FIR checker: fix REFERENCE_BY_QUALIFIED positioning strategy to consider callable reference

compiler/testData/diagnostics/testsWithStdLib/inference/callableReferenceOnParameter.fir.kt

@@ -3,6 +3,6 @@
 internal class Z<K> {
     val map = HashMap<String, String>()
     inline fun compute(key: String, producer: () -> String): String {
-        return map.<!INAPPLICABLE_CANDIDATE!>getOrPut<!>(key, <!UNRESOLVED_REFERENCE!>::producer<!>)
+        return map.<!INAPPLICABLE_CANDIDATE!>getOrPut<!>(key, ::<!UNRESOLVED_REFERENCE!>producer<!>)
     }
 }