PSI2IR KT-51036 fix lambda return value generation

compiler/testData/codegen/box/unit/kt51036.kt

@@ -0,0 +1,14 @@
+// WITH_STDLIB
+// IGNORE_BACKEND: WASM
+//  ^ Unresolved reference: synchronized
+
+fun box(): String {
+    A().close()
+    return "OK"
+}
+
+class A {
+    companion object;
+    operator fun String.invoke() = Unit
+    fun close() = synchronized(this) { "abc" }()
+}