Admin group: single table, defense actions in cells; flash messages as toasts

web/src/main/resources/templates/student/lab.html

@@ -14,9 +14,6 @@
         <span th:if="${defenseMsk}">Защита: <b th:text="${defenseMsk}"></b> МСК</span>
     </p>
 
-    <div th:if="${notice}" class="alert alert-success" th:text="${notice}"></div>
-    <div th:if="${error}" class="alert alert-error" th:text="${error}"></div>
-
     <h2 class="section-title">Условие лабораторной</h2>
     <div class="card card-body md-body mb-6" th:utext="${descriptionHtml}"></div>