Enhance asset display by handling null builds and sorting assets by QR code

src/main/resources/templates/view.html

@@ -7,7 +7,10 @@
     <table border="1" cellpadding="4">
       <tr th:each="p : ${d.properties}">
         <th bgcolor="lightgray"><b th:text="${p.displayName}"></b></th>
-        <td th:if="${p.name == 'build'}"><a th:href="'/build/' + ${asset.getAsset().getBuild().id}" th:text="${p.renderValue(asset)}"></a></td>
+        <td th:if="${p.name == 'build'}">
+          <a th:if="${asset.getAsset().getBuild() != null}" th:href="'/build/' + ${asset.getAsset().getBuild().id}" th:text="${p.renderValue(asset)}"></a>
+          <span th:if="${asset.getAsset().getBuild() == null}" th:text="${p.renderValue(asset)}"></span>
+        </td>
         <td th:if="${p.name != 'build'}" th:text="${p.renderValue(asset)}"></td>
       </tr>
     </table>