Fix bug if array.items was a ref

Author: bhch

src/data.js

@@ -48,7 +48,7 @@ export function getBlankArray(schema, getRef) {
     if (schema.items.hasOwnProperty('$ref')) {
         // :TODO: this will most probably mutate the original schema
         // but i'll fix it later
-        schema.items = getRef(schema.items['$ref'])
+        schema.items = getRef(schema.items['$ref']);
     }
 
     let type = schema.items.type;

src/ui.js

@@ -164,6 +164,11 @@ export function getArrayFormRow(args) {
     if (data.length >= max_items)
         addable = false;
 
+    let isRef = schema.items.hasOwnProperty('$ref');
+
+    if (isRef)
+        schema.items = args.getRef(schema.items['$ref']);
+
     let type = schema.items.type;
 
     if (type === 'list')