Add test for nullable primitive in range

compiler/testData/codegen/box/ranges/contains/nullableInPrimitiveRange.kt

@@ -0,0 +1,14 @@
+// WITH_RUNTIME
+
+val x: Int? = 42
+val n: Int? = null
+
+fun box(): String {
+    if (x in 0..2) return "Fail in"
+    if (!(x !in 0..2)) return "Fail !in"
+
+    if (n in 0..2) return "Fail in null"
+    if (!(n !in 0..2)) return "Fail !in null"
+
+    return "OK"
+}