Fix applicant header layout spacing for mobile (#3818)

hypha/apply/dashboard/templates/dashboard/applicant_dashboard.html

@@ -7,7 +7,7 @@
 
 {% block content %}
     <div class="admin-bar">
-        <div class="admin-bar__inner wrapper--applicant-dashboard">
+        <div class="admin-bar__inner wrapper--applicant-dashboard gap-4">
             <div class="my-auto">
                 <h1 class="heading heading--no-margin font-bold">{% trans "My dashboard" %}</h1>
                 <p class="m-0">{% trans "An overview of active and past submissions and projects" %}</p>