fix: Use relative paths to dav root

Signed-off-by: Julius Härtl <jus@bitgrid.net>

Author: juliusknorr

src/services/WebdavClient.ts

@@ -20,6 +20,6 @@
  *
  */
 
-import { davGetClient } from '@nextcloud/files'
+import { davGetClient, davRootPath, davGetRemoteURL } from '@nextcloud/files'
 
-export const client = davGetClient()
+export const client = davGetClient(davGetRemoteURL() + '/' + davRootPath)

src/views/Viewer.vue

@@ -599,9 +599,6 @@ export default {
 		 * @param {string|null} overrideHandlerId the ID of the handler with which to view the files, if any
 		 */
 		async openFile(path, overrideHandlerId = null) {
-			if (!path.startsWith(davRootPath)) {
-				path = `${davRootPath}${path}`
-			}
 			await this.beforeOpen()
 
 			// cancel any previous request