fix filter for add category dropdown

fakeyou/src/v2/view/tts/tts_edit_categories/TtsEditCategoriesPage.tsx

@@ -143,7 +143,9 @@ function TtsEditCategoriesPage(props: Props) {
   }
 
   const addCategoryOptions = allTtsCategories.filter(category => {
-    return !(assignedCategoryTokens.has(category.category_token));
+    const alreadyAdded = assignedCategoryTokens.has(category.category_token);
+    const cannotAdd = !category.can_directly_have_models;
+    return !alreadyAdded && !cannotAdd;
   }).map(category => {
     return (
       <>

fakeyou/src/v2/view/tts/tts_model_view/TtsModelViewFc.tsx

@@ -213,7 +213,6 @@ function TtsModelViewFc(props: Props) {
     );
     editModelCategoriesButton = (
       <>
-        <br />
         <Link 
           className={"button is-large is-info is-fullwidth"}
           to={FrontendUrlConfig.ttsModelEditCategoriesPage(token)}