fix: show close button when open readonly files on mobile app

Signed-off-by: Luka Trovic <luka@nextcloud.com>

Author: luka-nextcloud

src/components/Editor.vue

@@ -29,6 +29,7 @@
 								:sessions="filteredSessions"
 								:sync-error="syncError"
 								:has-connection-issue="requireReconnect" />
+							<slot name="header" />
 						</ReadonlyBar>
 					</slot>
 				</template>