Add confirmation step to account suspensions (#8353)

* Add confirmation page for suspensions

* Suspension confirmation closes reports, linked from report UI

* Fix tests

app/models/account.rb

@@ -193,6 +193,13 @@ class Account < ApplicationRecord
     ResolveAccountService.new.call(acct)
   end
 
+  def suspend!
+    transaction do
+      user&.disable! if local?
+      update!(suspended: true)
+    end
+  end
+
   def unsuspend!
     transaction do
       user&.enable! if local?

app/models/form/admin_suspension_confirmation.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class Form::AdminSuspensionConfirmation
+  include ActiveModel::Model
+
+  attr_accessor :acct, :report_id
+end