fix(launcher): First select on launcher open

Author: mmstick

src/search.ts

@@ -317,10 +317,11 @@ export class Search {
         }
 
         if (id === 0) {
-            if (this.widgets.length != 0) {
+            GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
                 this.highlight_selected();
                 this.select(0);
-            }
+                return false
+            })
         }
     }