feat(web): перевести браузерные URL курсов на courseNo

- teacher/admin course pages, content, gradebook, profile, downloads
- courseNo -> UUID только на границе REST API
- обновлены e2e, шаблоны, тесты и docs
- LDD-UI-002; baseline 59 claims / 385 тестов

web/src/main/resources/templates/teacher/content-article.html

@@ -4,9 +4,9 @@
 <body>
 <div id="content">
     <nav class="text-sm mb-4 breadcrumb">
-        <a th:href="@{/teacher/courses/{id}(id=${course.id})}" class="nav-link" th:text="${course.title}">Курс</a>
+        <a th:href="@{/teacher/courses/{no}(no=${course.courseNo})}" class="nav-link" th:text="${course.title}">Курс</a>
         <span class="nav-sep">/</span>
-        <a th:href="@{/teacher/courses/{courseId}/content(courseId=${course.id})}"
+        <a th:href="@{/teacher/courses/{no}/content(no=${course.courseNo})}"
            class="nav-link">Материалы</a>
         <span class="nav-sep">/</span>
         <span th:text="${article.chapterTitle}">Глава</span>
@@ -38,7 +38,7 @@
             Студенческий вид
         </a>
         <form class="inline-form"
-              th:action="@{/teacher/courses/{courseId}/content/articles/{id}/published(courseId=${course.id}, id=${article.id})}"
+              th:action="@{/teacher/courses/{no}/content/articles/{id}/published(no=${course.courseNo}, id=${article.id})}"
               method="post">
             <input type="hidden" name="_csrf" th:value="${csrfToken}">
             <input type="hidden" name="published" th:value="${!article.published}">
@@ -47,7 +47,7 @@
                     th:text="${article.published ? 'Скрыть от студентов' : 'Опубликовать'}">Опубликовать</button>
         </form>
         <form class="inline-form"
-              th:action="@{/teacher/courses/{courseId}/content/articles/{id}/delete(courseId=${course.id}, id=${article.id})}"
+              th:action="@{/teacher/courses/{no}/content/articles/{id}/delete(no=${course.courseNo}, id=${article.id})}"
               method="post" data-confirm="Удалить статью?">
             <input type="hidden" name="_csrf" th:value="${csrfToken}">
             <input type="hidden" name="back" th:value="${back}">
@@ -58,7 +58,7 @@
     <div class="row g-4">
         <div class="col-12 col-lg-7">
             <form class="card card-body form-stack"
-                  th:action="@{/teacher/courses/{courseId}/content/articles/{id}/save(courseId=${course.id}, id=${article.id})}"
+                  th:action="@{/teacher/courses/{no}/content/articles/{id}/save(no=${course.courseNo}, id=${article.id})}"
                   method="post">
                 <input type="hidden" name="_csrf" th:value="${csrfToken}">
                 <input type="hidden" name="back" th:value="${back}">