feat: Add institution details to Plaid items (#1816)

* feat: Add institution details to Plaid items

- Fetch and store institution URL, ID, and primary color for Plaid items
- Update PlaidItem model to retrieve and save institution metadata
- Add new method in Plaid provider to get institution details
- Update account logo view to use institution domain for logo generation

* Add institution domain method to Account model

- Extract institution domain logic from view to Account model
- Simplify logo view by using new institution_domain method
- Improve code reusability and separation of concerns

app/models/provider/plaid.rb

@@ -143,6 +143,17 @@ class Provider::Plaid
     response.liabilities
   end
 
+  def get_institution(institution_id)
+    request = Plaid::InstitutionsGetByIdRequest.new({
+      institution_id: institution_id,
+      country_codes: country_codes,
+      options: {
+        include_optional_metadata: true
+      }
+    })
+    client.institutions_get_by_id(request)
+  end
+
   private
     TransactionSyncResponse = Struct.new :added, :modified, :removed, :cursor, keyword_init: true
     InvestmentsResponse = Struct.new :holdings, :transactions, :securities, keyword_init: true