Do file name refactoring and build dbp-nextcloud-file-picker as distinct component

packages/file-handling/rollup.config.js

@@ -17,7 +17,7 @@ let nextcloudFileURL = nextcloudBaseURL + '/apps/files/?dir=';
 
 export default (async () => {
     return {
-        input: (build !== 'test') ? ['src/demo.js', 'src/dbp-file-source.js', 'src/dbp-file-sink.js', 'src/dbp-clipboard.js'] : glob.sync('test/**/*.js'),
+        input: (build !== 'test') ? ['src/demo.js', 'src/dbp-file-source.js', 'src/dbp-file-sink.js', 'src/dbp-clipboard.js', 'src/dbp-nextcloud-file-picker.js'] : glob.sync('test/**/*.js'),
         output: {
             dir: 'dist',
             entryFileNames: '[name].js',

packages/file-handling/src/file-sink.js

@@ -5,7 +5,7 @@ import DBPLitElement from '@dbp-toolkit/common/dbp-lit-element';
 import * as commonUtils from "@dbp-toolkit/common/utils";
 import {Icon, MiniSpinner} from '@dbp-toolkit/common';
 import * as commonStyles from '@dbp-toolkit/common/styles';
-import {NextcloudFilePicker} from "./dbp-nextcloud-file-picker";
+import {NextcloudFilePicker} from "./nextcloud-file-picker";
 import {classMap} from 'lit-html/directives/class-map.js';
 import FileSaver from 'file-saver';
 import MicroModal from "./micromodal.es";

packages/file-handling/src/file-source.js

@@ -6,7 +6,7 @@ import * as commonUtils from "@dbp-toolkit/common/utils";
 import {Icon, MiniSpinner} from '@dbp-toolkit/common';
 import {send as notify} from '@dbp-toolkit/common/notification';
 import * as commonStyles from '@dbp-toolkit/common/styles';
-import {NextcloudFilePicker} from "./dbp-nextcloud-file-picker";
+import {NextcloudFilePicker} from "./nextcloud-file-picker";
 import {classMap} from 'lit-html/directives/class-map.js';
 import MicroModal from './micromodal.es';
 import * as fileHandlingStyles from './styles';