[FIR] Consider call site in argument mapping handling for set operator call

^KT-56542 Fixed
^KT-56714 Fixed

compiler/fir/analysis-tests/testData/resolve/arguments/varargFromJava.kt

@@ -0,0 +1,11 @@
+// FILE: VarHandle.java
+public class VarHandle {
+    public void set(Object... args) {}
+}
+
+// FILE: main.kt
+class Some {
+    fun test(handle: VarHandle) {
+        handle.set(this, false)
+    }
+}