fix(elixir): improve storage location UI

- modify UI and UX to match categories system

lib/components_elixir/inventory.ex

@@ -348,6 +348,15 @@ defmodule ComponentsElixir.Inventory do
     |> Repo.aggregate(:count, :id)
   end
 
+  @doc """
+  Counts components in a specific storage location.
+  """
+  def count_components_in_storage_location(storage_location_id) do
+    Component
+    |> where([c], c.storage_location_id == ^storage_location_id)
+    |> Repo.aggregate(:count, :id)
+  end
+
   @doc """
   Increment component stock count.
   """