Enhance Plaid connection management with re-authentication and error handling (#1854)

* Enhance Plaid connection management with re-authentication and error handling

- Add support for Plaid item status tracking (good/requires_update)
- Implement re-authentication flow for Plaid connections
- Handle connection errors and provide user-friendly reconnection options
- Update Plaid link token generation to support item updates
- Add localization for new connection management states

* Remove redundant 'reconnect' localization for Plaid items

app/controllers/plaid_items_controller.rb

@@ -21,7 +21,10 @@ class PlaidItemsController < ApplicationController
       @plaid_item.sync_later
     end
 
-    redirect_to accounts_path
+    respond_to do |format|
+      format.html { redirect_to accounts_path }
+      format.json { head :ok }
+    end
   end
 
   private