fix: suggest attributes on empty selector

webui/src/components/utils/Selector.svelte

@@ -58,11 +58,6 @@
   let options: SelectorOption[] = [];
   let searchResult: UpListing;
   const updateOptions = debounce(async (query: string, doSearch: boolean) => {
-    if (query.length == 0) {
-      options = [];
-      return;
-    }
-
     switch (type) {
       case "attribute": {
         const allAttributes = await fetchAllAttributes();
@@ -104,6 +99,10 @@
       case "value": {
         options = [];
 
+        if (query.length == 0) {
+          return;
+        }
+
         if (valueTypes === undefined || valueTypes.includes("Number")) {
           const number = parseFloat(query);
           if (!Number.isNaN(number)) {