groups templates improvements

- require confirmation before removing a member
- require confirmation before removing self
- make button text less verbose
- use more standardised formatting for group editing form
- improve button colours
- add missing trans tags
- reload group page when removing member

bookwyrm/templates/groups/suggested_users.html

@@ -5,13 +5,13 @@
 {% if suggested_users %}
     <div class="column is-flex is-flex-grow-0">
         {% for user in suggested_users %}
-        <div class="box has-text-centered is-shadowless has-background-white-bis m-0">
+        <div class="box has-text-centered is-shadowless has-background-white-bis m-2">
             <a href="{{ user.local_path }}" class="has-text-black">
                 {% include 'snippets/avatar.html' with user=user large=True %}
                 <span title="{{ user.display_name }}" class="is-block is-6 has-text-weight-bold">{{ user.display_name|truncatechars:10 }}</span>
                 <span title="@{{ user|username }}" class="is-block pb-3">@{{ user|username|truncatechars:8 }}</span>
             </a>
-            {% include 'snippets/add_to_group_button.html' with user=user group=group minimal=True %}
+            {% include 'snippets/add_to_group_button.html' with user=user group=group %}
             {% if user.mutuals %}
             <p class="help">
                 {% blocktrans trimmed with mutuals=user.mutuals|intcomma count counter=user.mutuals %}
@@ -36,7 +36,7 @@
         {% endfor %}
     </div>
     {% else %}
-    <p>No potential members found for "{{ query }}"</p>
+    <p>No potential members found for "{{ user_query }}"</p>
     <br/>
 
 {% endif %}