Rails 7.0 unscope & all_queries: true for update/destroy issue

unscope_repro.rb

# frozen_string_literal: true

require "bundler/inline"

gemfile(true) do
  source "https://rubygems.org"

  git_source(:github) { |repo| "https://github.com/#{repo}.git" }

  gem "rails", github: "rails/rails", branch: "main"
  gem "sqlite3"
end

require "active_record"
require "minitest/autorun"
require "logger"

# This connection will do for database-independent bug reports.
ActiveRecord::Base.establish_connection(adapter: "sqlite3", database: ":memory:")
ActiveRecord::Base.logger = Logger.new(STDOUT)

ActiveRecord::Schema.define do
  create_table :posts, force: true do |t|
  end

  create_table :comments, force: true do |t|
    t.integer :post_id
    t.timestamps
  end
end

class Post < ActiveRecord::Base
  has_many :comments
end

class Comment < ActiveRecord::Base
  belongs_to :post
  default_scope -> { where(post_id: 1) }, all_queries: true
end

class BugTest < Minitest::Test
  def test_association_stuff
    post1 = Post.create!
    comment1 = post1.comments.create!

    post2 = Post.create!
    comment2 = post2.comments.create!

    assert comment1.touch # query includes WHERE post_id = 1

    comment2.touch # query includes WHERE post_id = 1, returns nothing and is a no-op
    refute_equal Comment.unscoped.find(comment2.id).updated_at, comment2.updated_at

    Comment.unscoped { comment2.touch } # query includes WHERE post_id = 1, returns nothing and is a no-op
    assert_equal Comment.unscoped.find(comment2.id).updated_at, comment2.updated_at
  end
end