feat: guard to prevent premature form submissions while uploading

templates/teamer/profile/index.html.twig

@@ -15,7 +15,8 @@
 {% endmacro %}
 
 {% block content %}
-    {{ form_start(form) }}
+    {% set formAttr = stimulus_controller('form-upload-guard')|stimulus_action('form-upload-guard', 'guard', 'submit') %}
+    {{ form_start(form, { 'attr': formAttr.toArray() }) }}
 
     <div {{ stimulus_controller('tabs', {}, { 'buttonActive': 'bg-gray-50' }) }}>
         <div class="grid lg:grid-cols-3 gap-y-8 lg:gap-y-0 lg:gap-x-16">
@@ -167,7 +168,7 @@
                     } %}
                 </div>
 
-                <button type="submit" class="btn">
+                <button type="submit" class="btn" {{ stimulus_target('form-upload-guard', 'submit') }}>
                     Aktualisieren
                 </button>