HUE-6077 [assist] Increase the spacing after the assist search input

desktop/core/src/desktop/static/desktop/less/hue.less

@@ -259,7 +259,7 @@ body {
 .search-container-top,
 .search-container {
   .display-flex;
-  .flex(1 1 37px);
+  .flex(1 1 44px);
   position: relative;
   margin: 8px 10px 0 10px;
 }