feat: update copy for single validations

app/models/form/sales/pages/buyer1_income_max_value_check.rb

@@ -7,7 +7,7 @@ class Form::Sales::Pages::Buyer1IncomeMaxValueCheck < ::Form::Page
       },
     ]
     @title_text = {
-      "translation" => "soft_validations.income.over_soft_max_for_la",
+      "translation" => "soft_validations.income.over_soft_max_for_la_buyer_1",
       "arguments" => [
         {
           "key" => "field_formatted_as_currency",

app/models/form/sales/pages/buyer2_income_max_value_check.rb

@@ -7,7 +7,7 @@ class Form::Sales::Pages::Buyer2IncomeMaxValueCheck < ::Form::Page
       },
     ]
     @title_text = {
-      "translation" => "soft_validations.income.over_soft_max_for_la",
+      "translation" => "soft_validations.income.over_soft_max_for_la_buyer_2",
       "arguments" => [
         {
           "key" => "field_formatted_as_currency",

config/locales/en.yml

@@ -514,8 +514,9 @@ en:
         message: "Net income is higher than expected based on the lead tenant’s working situation. Are you sure this is correct?"
     income:
       under_soft_min_for_economic_status: "You said income was %{income}, which is below this working situation's minimum (%{minimum})"
-      over_soft_max_for_la: "You told us the income of this buyer is %{income}, which seems high."
+      over_soft_max_for_la_buyer_1: "You told us the income of buyer 1 is %{income}, which seems high."
-      over_soft_max_for_la_combined: "You told us the income of this household is %{combined_income}, which seems high."
+      over_soft_max_for_la_buyer_2: "You told us the income of buyer 2 is %{income}, which seems high."
+      over_soft_max_for_la_combined: "You told us the combined income of this household is %{combined_income}, which seems high."
     rent:
       outside_range_title: "You told us the rent is %{brent}"
       min_hint_text: "The minimum rent expected for this type of property in this local authority is £%{soft_min_for_period}."