style(icon): Use material symbol variant of download icon

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

apps/dav/src/components/ExampleContentDownloadButton.vue

@@ -20,7 +20,7 @@
 
 <script>
 import { NcButton } from '@nextcloud/vue'
-import IconDownload from 'vue-material-design-icons/Download.vue'
+import IconDownload from 'vue-material-design-icons/TrayArrowDown.vue'
 
 export default {
 	name: 'ExampleContentDownloadButton',

apps/files_versions/src/components/Version.vue

@@ -134,7 +134,7 @@ import logger from '../utils/logger'
 
 import BackupRestore from 'vue-material-design-icons/BackupRestore.vue'
 import Delete from 'vue-material-design-icons/Delete.vue'
-import Download from 'vue-material-design-icons/Download.vue'
+import Download from 'vue-material-design-icons/TrayArrowDown.vue'
 import FileCompare from 'vue-material-design-icons/FileCompare.vue'
 import ImageOffOutline from 'vue-material-design-icons/ImageOffOutline.vue'
 import Pencil from 'vue-material-design-icons/PencilOutline.vue'