Improve Number.hashCode implementation in JavaScript

Fix KT-13577

js/js.translator/testData/box/number/hashCode.kt

@@ -0,0 +1,20 @@
+fun box(): String {
+
+
+    var value = (3).hashCode()
+    if (value != 3) return "fail1: $value"
+
+    value = (3.14).hashCode()
+    if (value != 319176039) return "fail2: $value"
+
+    value = (3.14159).hashCode()
+    if (value != -1321819243) return "fail3: $value"
+
+    value = (1e80).hashCode()
+    if (value != 314940496) return "fail4: $value"
+
+    value = (1e81).hashCode()
+    if (value != 1519485350) return "fail5: $value"
+
+    return "OK"
+}