fix(files_sharing): usage of NcTextField in SelectShareFolderDialogue

The NcTextField needs a value property to be set.

Signed-off-by: Louis Chemineau <louis@chmn.me>

apps/files_sharing/src/components/SelectShareFolderDialogue.vue

@@ -24,7 +24,7 @@
 			<NcTextField class="share-folder__picker"
 				type="text"
 				:label="t('files_sharing', 'Set default folder for accepted shares')"
-				:placeholder="readableDirectory"
+				:value="readableDirectory"
 				@click.prevent="pickFolder" />
 
 			<!-- Show reset button if folder is different -->