Inherit from ApplicationRecord when on Rails 7

[shayonj]

It appears that bindings have changed when on Rails 7 and inheriting from ActiveRecord::Base results in trying to make connection through the activerecord adapter for File which fails with ActiveRecord::ConnectionNotEstablished. Given ApplicationRecord is suppose to be the new parent class anyways, updating the logic accordingly.

Requiring all gems to prepare for compiling... You don't have dalli installed in your application. Please add it to your Gemfile and run bundle install
bundler: failed to load command: tapioca (/Users/shayon/src/tines/backend/vendor/bundle/ruby/3.3.0/bin/tapioca)
/Users/shayon/src/tines/backend/vendor/bundle/ruby/3.3.0/gems/activerecord-7.0.8.3/lib/active_record/connection_handling.rb:309:in `connection_pool': ActiveRecord::ConnectionNotEstablished (ActiveRecord::ConnectionNotEstablished)
	from /Users/shayon/src/tines/backend/vendor/bundle/ruby/3.3.0/gems/activerecord-7.0.8.3/lib/active_record/connection_handling.rb:305:in `connection_db_config'
	from /Users/shayon/src/tines/backend/vendor/bundle/ruby/3.3.0/gems/activerecord-7.0.8.3/lib/active_record/type.rb:50:in `adapter_name_from'
	from /Users/shayon/src/tines/backend/vendor/bundle/ruby/3.3.0/gems/activerecord-7.0.8.3/lib/active_record/attributes.rb:216:in `attribute'
	from /Users/shayon/src/tines/backend/vendor/bundle/ruby/3.3.0/gems/active_storage-postgresql-0.3.1/lib/active_storage/postgresql/file.rb:4:in `<class:File>'
	from /Users/shayon/src/tines/backend/vendor/bundle/ruby/3.3.0/gems/active_storage-postgresql-0.3.1/lib/active_storage/postgresql/file.rb:1:in `<main>'
	from /Users/shayon/.rbenv/versions/3.3.1/lib/ruby/3.3.0/bundled_gems.rb:74:in `require'
	from /Users/shayon/.rbenv/versions/3.3.1/lib/ruby/3.3.0/bundled_gems.rb:74:in `block (2 levels) in replace_require'

Open to any feedback/suggestions here, thank you

[shayonj]

@lsylvester would love to get your thoughts on this 🙏🏾