Add mini profiler (#2513)

Gemfile

@@ -63,6 +63,7 @@ gem "possessive"
 gem "auto_strip_attributes"
 # Use sidekiq for background processing
 gem "method_source", "~> 1.1"
+gem "rack-mini-profiler", "~> 2.0"
 gem "rails_admin", "~> 3.1"
 gem "ruby-openai"
 gem "sidekiq"
@@ -90,7 +91,6 @@ group :development do
   # Display performance information such as SQL time and flame graphs for each request in your browser.
   # Can be configured to work on production as well see: https://github.com/MiniProfiler/rack-mini-profiler/blob/master/README.md
   gem "erb_lint", require: false
-  gem "rack-mini-profiler", "~> 2.0"
   gem "rubocop-govuk", "4.3.0", require: false
   gem "rubocop-performance", require: false
   gem "rubocop-rails", require: false

app/controllers/lettings_logs_controller.rb

@@ -11,6 +11,11 @@ class LettingsLogsController < LogsController
 
   before_action :extract_bulk_upload_from_session_filters, only: [:index]
   before_action :redirect_if_bulk_upload_resolved, only: [:index]
+  before_action do
+    if current_user && current_user.support?
+      Rack::MiniProfiler.authorize_request
+    end
+  end
 
   def index
     all_logs = current_user.lettings_logs.visible.filter_by_years_or_nil(FormHandler.instance.years_of_available_lettings_forms)