feat: prompt to confirm discard editor changes (#2948)

* chore: update he.json

* feat: prompt to confirm discard editor changes

---------

Co-authored-by: Oleg Lobanov <oleg@lobanov.me>

frontend/src/components/prompts/Prompts.vue

@@ -27,6 +27,7 @@ import Share from "./Share.vue";
 import Upload from "./Upload.vue";
 import ShareDelete from "./ShareDelete.vue";
 import Sidebar from "../Sidebar.vue";
+import DiscardEditorChanges from "./DiscardEditorChanges.vue";
 import { mapGetters, mapState } from "vuex";
 import buttons from "@/utils/buttons";
 
@@ -47,7 +48,8 @@ export default {
     ReplaceRename,
     Upload,
     ShareDelete,
-    Sidebar
+    Sidebar,
+    DiscardEditorChanges,
   },
   data: function () {
     return {