Add deposit soft validation page to the income and benefits subsection

app/models/form/sales/subsections/income_benefits_and_savings.rb

@@ -20,6 +20,7 @@ class Form::Sales::Subsections::IncomeBenefitsAndSavings < ::Form::Subsection
       Form::Sales::Pages::MortgageValueCheck.new("buyer_2_mortgage_value_check", nil, self),
       Form::Sales::Pages::Savings.new(nil, nil, self),
       Form::Sales::Pages::SavingsValueCheck.new("savings_value_check", nil, self),
+      Form::Sales::Pages::DepositValueCheck.new("savings_deposit_value_check", nil, self),
       Form::Sales::Pages::PreviousOwnership.new(nil, nil, self),
     ]
   end

spec/models/form/sales/subsections/income_benefits_and_savings_spec.rb

@@ -25,6 +25,7 @@ RSpec.describe Form::Sales::Subsections::IncomeBenefitsAndSavings, type: :model
         buyer_2_mortgage_value_check
         savings
         savings_value_check
+        savings_deposit_value_check
         previous_ownership
       ],
     )