Initial enable banking implementation (#382)

* Initial enable banking implementation

* Handle multiple connections

* Amount fixes

* Account type mapping

* Add option to skip accounts

* Update schema.rb

* Transaction fixes

* Provider fixes

* FIX account identifier

* FIX support unlinking

* UI style fixes

* FIX safe redirect and brakeman issue

* FIX

- pagination max fix
- wrap crud in transaction logic

* FIX api uid access

- The Enable Banking API expects the UUID (uid from the API response) to fetch balances/transactions, not the identification_hash

* FIX add new connection

* FIX erb code

* Alert/notice box overflow protection

* Give alert/notification boxes room to grow (3 lines max)

* Add "Enable Banking (beta)" to `/settings/bank_sync`

* Make Enable Banking section collapsible like all others

* Add callback hint to error message

---------

Co-authored-by: Juan José Mata <juanjo.mata@gmail.com>

app/models/enable_banking_item/sync_complete_event.rb

@@ -0,0 +1,25 @@
+class EnableBankingItem::SyncCompleteEvent
+  attr_reader :enable_banking_item
+
+  def initialize(enable_banking_item)
+    @enable_banking_item = enable_banking_item
+  end
+
+  def broadcast
+    # Update UI with latest account data
+    enable_banking_item.accounts.each do |account|
+      account.broadcast_sync_complete
+    end
+
+    # Update the Enable Banking item view
+    enable_banking_item.broadcast_replace_to(
+      enable_banking_item.family,
+      target: "enable_banking_item_#{enable_banking_item.id}",
+      partial: "enable_banking_items/enable_banking_item",
+      locals: { enable_banking_item: enable_banking_item }
+    )
+
+    # Let family handle sync notifications
+    enable_banking_item.family.broadcast_sync_complete
+  end
+end