[FIR] Properly generate implicit invoke calls for a.(b)()

^KT-64891 Fixed

compiler/testData/diagnostics/tests/resolve/invoke/wrongInvokeExtension.fir.kt

@@ -10,10 +10,10 @@ val B.a: () -> Int  get() = { 5 }
 fun test(a: A, b: B) {
     val x: Int = b.a()
 
-    b.(a)()
+    b.(<!UNRESOLVED_REFERENCE!>a<!>)()
 
     with(b) {
         val y: Int = a()
-        (a)()
+        (<!UNRESOLVED_REFERENCE!>a<!>)()
     }
 }