Small styling fix

src/scss/jsoneditor/_contextmenu.scss

@@ -6,7 +6,7 @@
 .jsoneditor-contextmenu {
   position: absolute;
   box-sizing: content-box;
-  z-index: 1;
+  z-index: 2;
   .jsoneditor-menu {
     position: relative;
     left: 0;

test/test_build.html

@@ -72,7 +72,7 @@
       console.log("Blur : ",event);
     },
     indentation: 4,
-    escapeUnicode: true,
+    // escapeUnicode: true,
     limitDragging: true
   };
 
@@ -82,7 +82,7 @@
     "color": "#82b92c",
     "htmlcode": '"',
     "escaped_unicode": '\\u20b9',
-    "unicode": '\u20b9,\uD83D\uDCA9',
+    "unicode": '\u{1F600},\uD83D\uDCA9',
     "return": '\n',
     "null": null,
     "number": 123,