filter template now uses card-columns for card layout

Author: destos

tools/templates/tools/usertool_filter.jinja

@@ -24,13 +24,11 @@
         {{ crispy(filter.form) }}
     </div>
     <div class="col-md-9">
-        <div class="row">
+        <div class="card-columns">
         {% for tool in tools %}
-        <div class="col-sm-6 col-md-4 mb-4">
         {% call tool_details_card(tool, user) %}
             <p class="card-text"><small class="text-uppercase">owner:</small> {{ object_link(tool.user, "profile-link") }}</p>
         {% endcall %}
-        </div>
         {% else %}
         <div class="col-sm-12">
             <div class="card text-white bg-warning">