completed member addition by autocomplete form

frontend/src/Components/Autocomplete.svelte

@@ -7,6 +7,16 @@
     let text = $state('')
     let options = $state({});
 
+    async function ondblclick(evt){
+        var select = evt.target;
+        let key = select.value;
+        text = options[key];
+        let result = {};
+        result[key]=text;
+        options={};
+        onSelect(result);
+    }
+
     async function onkeyup(evt){
         var select = evt.target;
         var key = evt.key;
@@ -17,12 +27,7 @@
             return;
         }
         if (key == 'Enter'){
-            let key = select.value;
-            text = options[key];
-            let result = {};
-            result[key]=text;
-            options={};
-            onSelect(result);
+            ondblclick(evt);
             return;
         }
         if (key == 'Backspace'){
@@ -41,7 +46,7 @@
         min-width: 200px;
     }
 </style>
-<select size={Object.keys(options).length<2?2:Object.keys(options).length+1} {onkeyup} autofocus width="40">
+<select size={Object.keys(options).length<2?2:Object.keys(options).length+1} {onkeyup} {ondblclick} autofocus width="40">
     <option>{text}</option>
     {#each Object.entries(options) as [val,caption]}
     <option value={val}>{caption}</option>