* Do not load messages in memory, just to count them
* Add Model.estimated_count
* Use Model.estimated_count in task record_db_table_counts
* Use size and estimated_count
* Use table_name so that .estimated_count works with all models
* Add comment to explain the .load.size + .each pattern
* Move from env variables to SiteConfig
Related to #5384
This PR only deals with the first remaining part outlined in the issue, starting to use existing SiteConfig keys instead of the env variables.
* Restore Envfile to original version for now
* mod view form changes
* add error validation for removal tag
* add error validation to tag_list count
* re-render tag_adjustment form errors
* refactor admin delete adjusted tags form
* add prompt to tag adjustment form select
* front end validations to add/remove tag_adjustment
* allow tag_mod to undo own tag adjustment
* update/add specs
* update send spec
* update tag adjustment spec
* added tests to specs
* added view logic
* added controller/model functionality
* minor tweak to tagadjustment view
* adjusted mod view to reduce query
* added instance variables to controller
* show already adjusted tags in mod view
* removed unnecessary ifs from mods controller
* catch and display errors to tag adjustment forms
* update specs and refactor
* Fixed HTML errors in /app/views/additional_content_boxes
* Fixed indentation
* Fixed linting error in /app/views/comments
* Fixed indentation in /app/views/html_variants
* Fixed HTML errors + Fixed indentation in /app/views/internal
* Fixed HTML errors + Fixed indentation in /app/views/layouts
* Fixed indentation in /app/views/mailers
* Fixed indentation in /app/views/moderations
* Fixed HTML errors + Fixed indentation in /app/views/notifications
* Fixed HTML errors in /app/views/pages
* Fixed HTML errors + Fixed indentation in /app/views/social_previews
* Fixed indentation in /app/views/stories
* Fixed indentation in /app/views/stripe_subscriptions
* Fixed indentation in /app/views/tags
* Fixed indentation in /app/views/users
* Initial tag adjustments
* Finalize tag adjustments and tag adjustments controller
* Fix schema.rb
* Finalize tag removal logic
* Adjust edge cases/tests for tag adjustment moderation
* Adjust tag adjustments spec