AA FIR: handle smartcasted arg when building call's argument mapping

^KTIJ-25112 Fixed

analysis/analysis-api/testData/components/callResolver/resolveCall/smartCastedArg.kt

@@ -0,0 +1,10 @@
+open class A
+class B : A()
+
+private fun processB(b: B): Int = 2
+
+fun test(a: A) {
+    if (a is B) {
+        <expr>processB(a)</expr>
+    }
+}