Replace smart contract with address icon

Since we do not have smart contract icons hooked up yet I replaced with address card icon for the
merge. I think we already have a card about hooking the icons up

apps/explorer_web/lib/explorer_web/templates/address/_link.html.eex

@@ -1,11 +1,11 @@
 <div class="address-link">
 <%= if @address do %>
-  <i class="address-link__type fas fa-file"></i>
   <%= link to: address_path(@conn, :show, @conn.assigns.locale, @address),
       "data-toggle": "tooltip",
       "data-placement": "top",
       class: "address-link__font",
       title: @address do %>
+        <i class="address-link__type fas fa-address-card"></i>
     <%= @address |> hash |> String.slice(0..3) %><i class="fas fa-ellipsis-v address-link__seperator"></i><%= @address |> hash |> String.slice(-4..-1) %>
 <% end %>
 <button class="address-link__copy-button" data-clipboard-text="<%= @address %>" aria-label="copy address">