fix advanced editor for FR configs and loading FR configs

src/components/editor/helpers/custom-editor.vue

@@ -2,7 +2,7 @@
     <div class="mt-4">
         <json-editor
             v-model="updatedConfig"
-            :lang="lang"
+            lang="en"
             :mode="'text'"
             :show-btns="true"
             :expandedOnStart="true"
@@ -32,7 +32,6 @@ import { Validator } from '@/definitions';
 export default class CustomEditorV extends Vue {
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     @Prop() config!: string;
-    @Prop() lang!: string;
     @Prop() slideIndex!: number;
 
     schemaUrl = './StorylinesSlideSchema.json';

src/components/editor/metadata-editor.vue

@@ -322,7 +322,7 @@ export default class MetadataEditorV extends Vue {
 
         // Generate UUID for new product
         this.uuid = (this.$route.params.uid as string) ?? (this.loadExisting ? undefined : uuidv4());
-        this.configLang = this.$route.params.configLang ? (this.$route.params.configLang as string) : 'en';
+        this.configLang = (this.$route.params.lang as string) || 'en';
 
         // Initialize Storylines config and the configuration structure.
         this.configs = { en: undefined, fr: undefined };

src/components/editor/slide-editor.vue

@@ -253,7 +253,6 @@
                 <custom-editor
                     ref="editor"
                     :config="currentSlide"
-                    :lang="lang"
                     :slideIndex="slideIndex"
                     @slide-edit="$emit('slide-edit')"
                     @config-edited="(slideConfig: Slide, save?: boolean = false) => $emit('custom-slide-updated', slideConfig, save)"