fix #558: stabilize deployment and role rendering

src/main/resources/templates/roles.html

@@ -58,7 +58,7 @@
           <td th:text="${role.roleId()}">10</td>
           <td th:text="${role.roleName()}">HR_DEPT_ROLE</td>
           <td>
-            <span class="badge text-bg-light" th:title="'허용된 행의 컬럼 표시 상한: ' + role.maxSensitivityLevel()"
+            <span class="badge text-bg-light" th:title="${'허용된 행의 컬럼 표시 상한: ' + role.maxSensitivityLevel()}"
                   th:text="${role.maxSensitivityLevel()}">PUBLIC</span>
             <form method="post" action="/roles/max-sensitivity" class="inline-form">
               <input type="hidden" th:name="${_csrf.parameterName}" th:value="${_csrf.token}">