fixing dropdown disabling on dropdown click

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

frontend/src/Components/Autocomplete.svelte

@@ -49,12 +49,16 @@
         console.warn(`${candidate.display} selected, but onSelect not overridden!`)
     }
 
+    function disableDropdown(){
+        candidates = [];
+        selected = null;
+    }
+
     async function ondblclick(evt){
         const select = evt.target;
         const idx    = select.value;
         candidate = candidates[idx];
-        candidates = [];
-        selected = null;
+        disableDropdown();
         onSelect(candidate);
     }
 
@@ -64,8 +68,7 @@
     }
 
     function onblur(ev){
-        candidates = [];
-        selected = null;
+        setTimeout(disableDropdown,400);
     }
 
     async function onkeyup(ev){
@@ -88,22 +91,19 @@
             ev.preventDefault();
             if (selected != null && selected < candidates.length) {
                 candidate = candidates[selected];
-                candidates = [];
-                selected = null;
+                disableDropdown();
                 onSelect(candidate);
                 return false;
             }
             if (ev.key == 'Enter') {
-                candidates = [];
-                selected = null;
+                disableDropDown();
                 if (onCommit(candidate)) candidate = { display : '' };
             }
             return false;
         }
         if (ev.key == 'Escape'){
             ev.preventDefault();
-            candidates = [];
-            selected = null;
+            disableDropdown();
             return false;
         }
 
@@ -115,10 +115,8 @@
 
     function select(index){
         candidate = candidates[index];
-        selected = null;
-        candidates = [];
+        disableDropdown();
         onSelect(candidate);
-
     }
 
     function scrollTo(index){