Add test on signatures with nullable abbreviated types

Currently test fails, see KT-40199

native/commonizer/testData/functionCommonization/signaturesWithNullableTypealiases/commonized/common/package_root.kt

@@ -0,0 +1,5 @@
+expect class Foo()
+
+typealias TypeAlias = Foo
+
+expect fun bar(x: TypeAlias?)

native/commonizer/testData/functionCommonization/signaturesWithNullableTypealiases/commonized/js/package_root.kt

@@ -0,0 +1,3 @@
+actual class Foo actual constructor()
+
+actual fun bar(x: TypeAlias?) { }

native/commonizer/testData/functionCommonization/signaturesWithNullableTypealiases/commonized/jvm/package_root.kt

@@ -0,0 +1,3 @@
+actual class Foo actual constructor()
+
+actual fun bar(x: TypeAlias?) { }

native/commonizer/testData/functionCommonization/signaturesWithNullableTypealiases/original/js/package_root.kt

@@ -0,0 +1,5 @@
+class Foo
+
+typealias TypeAlias = Foo
+
+fun bar(x: TypeAlias?) { }

native/commonizer/testData/functionCommonization/signaturesWithNullableTypealiases/original/jvm/package_root.kt

@@ -0,0 +1,5 @@
+class Foo
+
+typealias TypeAlias = Foo
+
+fun bar(x: TypeAlias?) { }