Add notifications for statuses deleted by moderators (#17204)

app/controllers/admin/account_moderation_notes_controller.rb

app/controllers/admin/accounts_controller.rb

app/controllers/admin/report_notes_controller.rb

app/controllers/admin/reported_statuses_controller.rb

app/controllers/admin/reports_controller.rb

app/controllers/admin/statuses_controller.rb

app/controllers/api/v1/admin/account_actions_controller.rb

app/controllers/api/v1/admin/accounts_controller.rb

app/controllers/api/v1/admin/dimensions_controller.rb

app/controllers/api/v1/admin/measures_controller.rb

app/controllers/api/v1/admin/reports_controller.rb

app/controllers/api/v1/admin/retention_controller.rb

app/controllers/api/v1/admin/trends/tags_controller.rb

app/helpers/admin/filter_helper.rb

...ascript/mastodon/components/admin/ReportReasonSelector.js

app/javascript/mastodon/components/status_action_bar.js

...ascript/mastodon/features/status/components/action_bar.js

app/javascript/styles/mailer.scss

app/javascript/styles/mastodon/admin.scss

app/javascript/styles/mastodon/polls.scss