Add regression test for KT-54707

Author: udalov

compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java

@@ -0,0 +1,15 @@
+// IGNORE_BACKEND: JVM
+// IGNORE_LIGHT_ANALYSIS
+
+fun box(): String =
+    g(arrayOf("O"))
+
+fun g(x: Array<String>?): String =
+    x.orEmpty0().f { it + "K" }
+
+inline fun <T> Array<out T>.f(lambda: (T) -> T): T =
+    lambda(this[0])
+
+inline fun <reified T> Array<out T>?.orEmpty0(): Array<out T> =
+    this ?: (arrayOfNulls<T>(0) as Array<T>)
+