fix: submit button on file picker dialog

src/helpers/filePicker.js

@@ -3,13 +3,31 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
-import { FilePickerType, getFilePickerBuilder } from '@nextcloud/dialogs'
+import { getFilePickerBuilder } from '@nextcloud/dialogs'
 
 export const buildFilePicker = (startPath) => {
 	return getFilePickerBuilder(t('text', 'Select file or folder to link to'))
 		.startAt(startPath)
 		.allowDirectories(true)
 		.setMultiSelect(false)
-		.setType(FilePickerType.Choose)
+		.setButtonFactory((nodes, path) => {
+			const buttons = []
+			const node = nodes?.[0]?.attributes?.displayName || nodes?.[0]?.basename
+			const isRoot = nodes?.[0]?.root === nodes?.[0]?.attributes?.filename
+			let label = t('text', 'Choose')
+
+			if (nodes.length === 1 && !isRoot) {
+				label = t('text', 'Choose {file}', { file: node })
+			}
+
+			buttons.push({
+				callback: () => {},
+				type: 'primary',
+				label,
+				disabled: isRoot,
+			})
+
+			return buttons
+		})
 		.build()
 }