fix(core): correctly show displayname when picking a file

Ensure that the display name is shown instead of the filename (important for public shares).
Fixed in the library but the legacy wrapper still uses it.

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

core/src/OC/dialogs.js

@@ -278,13 +278,13 @@ const Dialogs = {
 		} else {
 			builder.setButtonFactory((nodes, path) => {
 				const buttons = []
-				const node = nodes?.[0]?.attributes?.displayName || nodes?.[0]?.basename
-				const target = node || basename(path)
+				const [node] = nodes
+				const target = node?.displayname || node?.basename || basename(path)
 
 				if (type === FilePickerType.Choose) {
 					buttons.push({
 						callback: legacyCallback(callback, FilePickerType.Choose),
-						label: node && !this.multiSelect ? t('core', 'Choose {file}', { file: node }) : t('core', 'Choose'),
+						label: node && !this.multiSelect ? t('core', 'Choose {file}', { file: target }) : t('core', 'Choose'),
 						type: 'primary',
 					})
 				}