FIR: preserve delegatedTypeRef when transforming FirFunctionTypeRef

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/FirSpecificTypeResolverTransformer.kt

@@ -51,6 +51,7 @@ class FirSpecificTypeResolverTransformer(
                 source = functionTypeRef.source
                 type = resolvedType
                 annotations += functionTypeRef.annotations
+                delegatedTypeRef = functionTypeRef
             }
         } else {
             buildErrorTypeRef {

compiler/testData/diagnostics/tests/incompleteCode/diagnosticWithSyntaxError/typeReferenceError.fir.kt

@@ -1,3 +1,3 @@
 package typeReferenceError
 
-class Pair<<!SYNTAX!><!>:<!UNRESOLVED_REFERENCE!>(val c: <!SYNTAX!><!SYNTAX!><!>fun<!><!SYNTAX!><!> main<!>()
+class Pair<<!SYNTAX!><!>:<!UNRESOLVED_REFERENCE!>(val c: <!SYNTAX!><!SYNTAX!><!>fun<!><!SYNTAX!><!> <!UNRESOLVED_REFERENCE!>main<!><!>()