feat: correct date and add notice

app/controllers/schemes_controller.rb

@@ -26,6 +26,7 @@ class SchemesController < ApplicationController
       if @scheme.update!(deactivation_date:)
         # update the logs
       end
+      flash[:notice] = "#{@scheme.service_name} has been deactivated"
       redirect_to scheme_details_path(@scheme)
       return
     elsif deactivation_date.present?

app/views/schemes/toggle_active.html.erb

@@ -16,11 +16,11 @@
         <%#= f.govuk_error_summary %>
         <%= f.govuk_radio_buttons_fieldset :deactivation_date,
                                            legend: nil,
-                                           hint: { text: "If the date is before 5 April 2022, select ‘From the start of the current collection period’ because the previous period has now closed."} do %>
+                                           hint: { text: "If the date is before 1 April 2022, select ‘From the start of the current collection period’ because the previous period has now closed."} do %>
         <%= govuk_warning_text text: "It will not be possible to add logs with this scheme if their tenancy start date is on or after the date you enter. Any existing logs may be affected." %>
         <%= f.govuk_radio_button :deactivation_date,
                                  Time.utc(2022, 4, 1),
-                                 label: { text: "From the start of the current collection period (5 April 2022)" } %>
+                                 label: { text: "From the start of the current collection period (1 April 2022)" } %>
 
         <%= f.govuk_radio_button :deactivation_date,
                                  "other",