fix: url widget visual (#724)

Author: lukasvinclav

src/unfold/templates/unfold/widgets/url.html

@@ -1,4 +1,7 @@
-{% if url_valid %}
-  {{ current_label }} <a href="{{ widget.href }}" class="text-primary-600 dark:text-primary-500">{{ widget.value }}</a>
-{% endif %}
-{% include "django/forms/widgets/input.html" %}
+<div class="flex flex-row gap-2 items-center">
+  {% include "django/forms/widgets/input.html" %}
+
+  {% if url_valid %}
+    {{ current_label }} <a href="{{ widget.href }}" class="text-primary-600 dark:text-primary-500">{{ widget.value }}</a>
+  {% endif %}
+</div>