chore: Cleanup feature flags (#6096)

- Add more feature flags for CRM, auto_resolution, and reports
- Add a SuperAdmin link in the sidebar if the user is a super-admin
- SuperAdmin could view all the features on an account irrespective of whether the feature is enabled.

db/migrate/20221219162759_enabled_new_features.rb

@@ -0,0 +1,16 @@
+class EnabledNewFeatures < ActiveRecord::Migration[6.1]
+  def change
+    Account.find_in_batches do |account_batch|
+      account_batch.each do |account|
+        account.enable_features(
+          'channel_website',
+          'campaigns',
+          'reports',
+          'crm',
+          'auto_resolve_conversations'
+        )
+        account.save!
+      end
+    end
+  end
+end