Refactor calendar overview in more different components

aleksis/core/frontend/components/authorized_oauth_applications/AuthorizedApplication.vue

@@ -26,13 +26,13 @@
           <v-list-item-content class="body-2">
             {{
               $t("oauth.authorized_application.access_since", {
-                date: $d(new Date(accessToken.created), "longNumeric"),
+                date: $d($parseISODate(accessToken.created), "longNumeric"),
               })
             }}
             ·
             {{
               $t("oauth.authorized_application.valid_until", {
-                date: $d(new Date(accessToken.expires), "longNumeric"),
+                date: $d($parseISODate(accessToken.expires), "longNumeric"),
               })
             }}
           </v-list-item-content>