Replace the deprecated Element Plus API

src/views/Tools/dialogs/GroupCalendarDialog.vue

@@ -6,7 +6,7 @@
         width="90vw"
         height="80vh"
         @close="closeDialog">
-        <template #title>
+        <template #header>
             <div class="dialog-title-container">
                 <span>{{ t('dialog.group_calendar.header') }}</span>
                 <el-button @click="toggleViewMode" type="primary" size="small" class="view-toggle-btn">

src/views/Tools/dialogs/NoteExportDialog.vue

@@ -79,11 +79,7 @@
 
             <el-table-column :label="t('table.import.skip_export')" width="90" align="right">
                 <template #default="{ row }">
-                    <el-button
-                        type="text"
-                        :icon="Close"
-                        size="small"
-                        @click="removeFromNoteExportTable(row)"></el-button>
+                    <el-button text :icon="Close" size="small" @click="removeFromNoteExportTable(row)"></el-button>
                 </template>
             </el-table-column>
         </DataTable>