chore: Update Dr. Rai to toggle per user (#5647)

**Story card:**
[sc-16353](https://app.shortcut.com/simpledotorg/story/16353/dark-launch-dr-rai-in-bd?vc_group_by=day&ct_workflow=all&cf_workflow=500000031)

## Because

Best to release to a control group before releasing to everyone

## This addresses

Changing the way we toggle the feature

## Test instructions

turn on the feature for certain actors

Author: igbanam

app/views/reports/regions/diabetes.html.erb

@@ -4,7 +4,7 @@
 
 <%= render "header" %>
 
-<% if Flipper.enabled?(:dr_rai_reports) && @region.facility_region? %>
+<% if Flipper.enabled?(:dr_rai_reports, current_admin) && @region.facility_region? %>
   <%= render Dashboard::DrRaiReport.new(@quarterlies, @region.slug, params[:selected_quarter]) %>
 <% end %>
 

app/views/reports/regions/show.html.erb

@@ -61,7 +61,7 @@
 
 <%= render "header" %>
 
-<% if Flipper.enabled?(:dr_rai_reports) && @region.facility_region? %>
+<% if Flipper.enabled?(:dr_rai_reports, current_admin) && @region.facility_region? %>
   <%= render Dashboard::DrRaiReport.new(@quarterlies, @region.slug, params[:selected_quarter]) %>
 <% end %>