fix: dropdown search blur (#1425)

Author: lukasvinclav

src/unfold/templates/unfold/helpers/search.html

@@ -12,7 +12,7 @@
                    x-on:focus="openSearchResults = true; currentIndex = 0"
                    x-on:keydown.arrow-down.prevent="nextItem()"
                    x-on:keydown.arrow-up.prevent="prevItem()"
-                   x-on:keydown.escape.prevent="openSearchResults=false"
+                   x-on:keydown.escape.prevent="openSearchResults = false; if ($refs.searchInput.value === '') { $refs.searchInput.blur() } else { $refs.searchInput.value = '' }"
                    x-on:keydown.enter.prevent="selectItem()"
                    x-on:search="currentIndex = 0"
                    hx-get="{% url "admin:search" %}"