feat: implement modals with vue router 4

This is an implementation of the modals with the new possibilities of vue router 3.

See: https://github.com/vuejs/vue-router/issues/703#issuecomment-865066913 for a better explanation
and the linked example implementation: https://github.com/vuejs/vue-router-next/blob/master/e2e/modal/index.ts

src/components/list/partials/filter-popup.vue

@@ -29,9 +29,10 @@
 
 <script>
 import Filters from '@/components/list/partials/filters'
-import {getDefaultParams} from '@/components/tasks/mixins/taskList'
 import Popup from '@/components/misc/popup'
 
+import {getDefaultParams} from '@/composables/taskList'
+
 export default {
 	name: 'filter-popup',
 	components: {