Pre-launch design sync with Figma spec (#2154)

* Add lookbook + viewcomponent, organize design system file

* Build menu component

* Button updates

* More button fixes

* Replace all menus with new ViewComponent

* Checkpoint: fix tests, all buttons and menus converted

* Split into Link and Button components for clarity

* Button cleanup

* Simplify custom confirmation configuration in views

* Finalize button, link component API

* Add toggle field to custom form builder + Component

* Basic tabs component

* Custom tabs, convert all menu / tab instances in app

* Gem updates

* Centralized icon helper

* Update all icon usage to central helper

* Lint fixes

* Centralize all disclosure instances

* Dialog replacements

* Consolidation of all dialog styles

* Test fixes

* Fix app layout issues, move to component with slots

* Layout simplification

* Flakey test fix

* Fix dashboard mobile issues

* Finalize homepage

* Lint fixes

* Fix shadows and borders in dark mode

* Fix tests

* Remove stale class

* Fix filled icon logic

* Move transparent? to public interface

app/views/accounts/show/_header.html.erb

@@ -19,17 +19,27 @@
       </div>
     <% end %>
 
-    <div class="flex items-center gap-3 ml-auto">
+    <div class="flex items-center gap-1 ml-auto">
       <% if account.plaid_account_id.present? %>
         <% if Rails.env.development? %>
-          <%= button_to sync_plaid_item_path(account.plaid_account.plaid_item), disabled: account.syncing?, data: { turbo: false }, class: "flex items-center gap-2", title: "Sync Account" do %>
-            <%= lucide_icon "refresh-cw", class: "w-4 h-4 text-secondary hover:text-subdued" %>
-          <% end %>
+          <%= icon(
+            "refresh-cw",
+            as_button: true,
+            size: "sm",
+            href: sync_plaid_item_path(account.plaid_account.plaid_item),
+            disabled: account.syncing?,
+            frame: :_top
+          ) %>
         <% end %>
       <% else %>
-        <%= button_to sync_account_path(account), disabled: account.syncing?, data: { turbo: false }, class: "flex items-center gap-2", title: "Sync Account" do %>
-          <%= lucide_icon "refresh-cw", class: "w-4 h-4 text-secondary hover:text-subdued" %>
-        <% end %>
+        <%= icon(
+          "refresh-cw",
+          as_button: true,
+          size: "sm",
+          href: sync_account_path(account),
+          disabled: account.syncing?,
+          frame: :_top
+        ) %>
       <% end %>
 
       <%= render "accounts/show/menu", account: account %>