refactor: move '我的' filter to first position in student and class list toolbars

app/templates/index.html

@@ -66,13 +66,13 @@
         <div class="card-body">
             <div class="d-flex flex-wrap gap-2 align-items-center">
                 <h5 class="mb-0 me-2"><i class="bi bi-people"></i> 学员列表</h5>
+                <button class="btn btn-primary btn-sm" id="mineStudentFilterBtn" onclick="toggleMineStudentFilter()">
+                    <i class="bi bi-person"></i> 我的
+                </button>
                 <select class="form-select form-select-sm" style="width:auto; min-width:100px;" id="classFilter" onchange="loadStudents()">
                     <option value="">全部班级</option>
                 </select>
                 <input type="text" class="form-control form-control-sm" style="width:100px;" placeholder="姓名..." id="nameFilter" oninput="loadStudents()">
-                <button class="btn btn-primary btn-sm" id="mineStudentFilterBtn" onclick="toggleMineStudentFilter()">
-                    <i class="bi bi-person"></i> 我的
-                </button>
                 <div class="ms-auto d-flex gap-1">
                     <button class="btn btn-outline-secondary btn-sm" onclick="downloadTemplate()">
                         <i class="bi bi-download"></i> 模板