remove default boolean columns if all false

lib/cannery_web/live/ammo_type_live/index.ex

@@ -73,6 +73,14 @@ defmodule CanneryWeb.AmmoTypeLive.Index do
       |> Enum.filter(fn {_label, field, _type} ->
         ammo_types |> Enum.any?(fn ammo_type -> not (ammo_type |> Map.get(field) |> is_nil()) end)
       end)
+      # if boolean, remove if all values are false
+      |> Enum.filter(fn {_label, field, type} ->
+        if type == :boolean do
+          ammo_types |> Enum.any?(fn ammo_type -> not (ammo_type |> Map.get(field) == false) end)
+        else
+          true
+        end
+      end)
 
     socket |> assign(ammo_types: ammo_types, columns_to_display: columns_to_display)
   end

lib/cannery_web/live/ammo_type_live/show.html.heex

@@ -108,9 +108,11 @@
     <%= if @ammo_groups |> Enum.empty?() do %>
       <%= gettext("No ammo for this type") %>
     <% else %>
-      <%= for ammo_group <- @ammo_groups do %>
-        <.ammo_group_card ammo_group={ammo_group} />
-      <% end %>
+      <div class="flex flex-wrap justify-center items-center">
+        <%= for ammo_group <- @ammo_groups do %>
+          <.ammo_group_card ammo_group={ammo_group} />
+        <% end %>
+      </div>
     <% end %>
   </div>
 </div>