Import ScopedElementsMixin from toolkit

We are planing to vendor it there.

.renovaterc.json

@@ -7,10 +7,6 @@
     },
     "cloneSubmodules": true,
     "packageRules": [
-        {
-          "matchPackageNames": ["@open-wc/scoped-elements"],
-          "allowedVersions": "<3"
-        },
         {
             "matchPackageNames": ["pdfjs-dist"],
             "allowedVersions": "<4.6"

package.json

@@ -63,7 +63,6 @@
         "@dbp-toolkit/tabulator-table": "^0.1.1",
         "@digital-blueprint/esign-app": "^2.1.5",
         "@fontsource/nunito-sans": "^5.0.0",
-        "@open-wc/scoped-elements": "^2.1.0",
         "@tugraz/font-source-sans-pro": "^0.2.4",
         "@tugraz/web-components": "^0.3.6",
         "@webcomponents/scoped-custom-element-registry": "^0.0.9",

src/dbp-create-request.js

@@ -1,6 +1,6 @@
 import {createInstance, setOverridesByGlobalCache} from './i18n.js';
 import {css, html} from 'lit';
-import {ScopedElementsMixin} from '@open-wc/scoped-elements';
+import {ScopedElementsMixin} from '@dbp-toolkit/common';
 import DBPDispatchLitElement from './dbp-dispatch-lit-element';
 import * as commonUtils from '@dbp-toolkit/common/utils';
 import * as commonStyles from '@dbp-toolkit/common/styles';

src/dbp-show-requests.js

@@ -1,6 +1,6 @@
 import {createInstance, setOverridesByGlobalCache} from './i18n';
 import {css, html} from 'lit';
-import {ScopedElementsMixin} from '@open-wc/scoped-elements';
+import {ScopedElementsMixin} from '@dbp-toolkit/common';
 import DBPDispatchLitElement from './dbp-dispatch-lit-element';
 import * as commonUtils from '@dbp-toolkit/common/utils';
 import * as commonStyles from '@dbp-toolkit/common/styles';

src/person-select.js

@@ -1,5 +1,5 @@
 import {PersonSelect} from '@dbp-toolkit/person-select';
-import {ScopedElementsMixin} from '@open-wc/scoped-elements';
+import {ScopedElementsMixin} from '@dbp-toolkit/common';
 
 export class CustomPersonSelect extends ScopedElementsMixin(PersonSelect) {
     // If the search term matches a matriculationNumber, we search for that,