Templates: fix flash messages in base

Author: claudisa-uu

general/templates/general/base-bare.html

@@ -51,7 +51,7 @@
             <div class="container">
                 <div id="messages">
                     {% for category, message in get_flashed_messages(with_categories=true) %}
-                        {% if category is sameas 'error' %} {% set category = 'danger' %} {% endif %}
+                        {% if category == 'error' %} {% set category = 'danger' %} {% endif %}
                         <div class="alert alert-{{ category }} alert-dismissible fade show" role="alert">
                             {{ message }}
                             <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>

general/templates/general/base.html

@@ -110,7 +110,7 @@
             <div class="container">
                 <div id="messages">
                     {% for category, message in get_flashed_messages(with_categories=true) %}
-                        {% if category is sameas 'error' %} {% set category = 'danger' %} {% endif %}
+                        {% if category == 'error' %} {% set category = 'danger' %} {% endif %}
                         <div class="alert alert-{{ category }} alert-dismissible fade show" role="alert">
                             {{ message }}
                             <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>