Fix nondeterministic behavior in DeprecatedHasAndBelongsToManyAssociationsTest

This commit addresses intermittent failures like:

https://buildkite.com/rails/rails/builds/121865#019970b4-ac11-4f90-9c65-7e39198536a8/1295-1306
https://buildkite.com/rails/rails/builds/121622#01995272-5209-4eda-bab1-fbdce04a5762/1223-1234

```sql
Failure:
DeprecatedHasAndBelongsToManyAssociationsTest#test_<association> [test/cases/associations/has_and_belongs_to_many_associations_test.rb:1016]:
--- expected
+++ actual
@@ -1 +1 @@
-#<ActiveRecord::Associations::CollectionProxy [#<DATS::Post id: 1, author_id: 1, title: "Welcome to the weblog", body: "Such a lovely day", type: "Post", legacy_comments_count: 2, taggings_with_delete_all_count: 0, taggings_with_destroy_count: 0, tags_count: 1, indestructible_tags_count: 0, tags_with_destroy_count: 0, tags_with_nullify_count: 0>, #<DATS::Post id: 2, author_id: 1, title: "So I was thinking", body: "Like I hopefully always am", type: "SpecialPost", legacy_comments_count: 1, taggings_with_delete_all_count: 0, taggings_with_destroy_count: 0, tags_count: 1, indestructible_tags_count: 0, tags_with_destroy_count: 0, tags_with_nullify_count: 0>, #<DATS::Post id: 6, author_id: 1, title: "habtm sti test", body: "hello", type: "Post", legacy_comments_count: 0, taggings_with_delete_all_count: 0, taggings_with_destroy_count: 0, tags_count: 0, indestructible_tags_count: 0, tags_with_destroy_count: 0, tags_with_nullify_count: 0>, #<DATS::Post id: 4, author_id: 1, title: "sti comments", body: "hello", type: "Post", legacy_comments_count: 5, taggings_with_delete_all_count: 0, taggings_with_destroy_count: 0, tags_count: 0, indestructible_tags_count: 0, tags_with_destroy_count: 0, tags_with_nullify_count: 0>, #<DATS::Post id: 8, author_id: 3, title: "misc post by bob", body: "hello", type: "Post", legacy_comments_count: 0, taggings_with_delete_all_count: 0, taggings_with_destroy_count: 0, tags_count: 1, indestructible_tags_count: 0, tags_with_destroy_count: 0, tags_with_nullify_count: 0>]>
+#<ActiveRecord::Associations::CollectionProxy [#<DATS::Post id: 1, author_id: 1, title: "Welcome to the weblog", body: "Such a lovely day", type: "Post", legacy_comments_count: 2, taggings_with_delete_all_count: 0, taggings_with_destroy_count: 0, tags_count: 1, indestructible_tags_count: 0, tags_with_destroy_count: 0, tags_with_nullify_count: 0>, #<DATS::Post id: 2, author_id: 1, title: "So I was thinking", body: "Like I hopefully always am", type: "SpecialPost", legacy_comments_count: 1, taggings_with_delete_all_count: 0, taggings_with_destroy_count: 0, tags_count: 1, indestructible_tags_count: 0, tags_with_destroy_count: 0, tags_with_nullify_count: 0>, #<DATS::Post id: 4, author_id: 1, title: "sti comments", body: "hello", type: "Post", legacy_comments_count: 5, taggings_with_delete_all_count: 0, taggings_with_destroy_count: 0, tags_count: 0, indestructible_tags_count: 0, tags_with_destroy_count: 0, tags_with_nullify_count: 0>, #<DATS::Post id: 6, author_id: 1, title: "habtm sti test", body: "hello", type: "Post", legacy_comments_count: 0, taggings_with_delete_all_count: 0, taggings_with_destroy_count: 0, tags_count: 0, indestructible_tags_count: 0, tags_with_destroy_count: 0, tags_with_nullify_count: 0>, #<DATS::Post id: 8, author_id: 3, title: "misc post by bob", body: "hello", type: "Post", legacy_comments_count: 0, taggings_with_delete_all_count: 0, taggings_with_destroy_count: 0, tags_count: 1, indestructible_tags_count: 0, tags_with_destroy_count: 0, tags_with_nullify_count: 0>]>
```

- SQL statement executed with this fix:

```
DATS::Post Load (0.2ms)  SELECT "posts".* FROM "posts" INNER JOIN "categories_posts" ON "posts"."id" = "categories_posts"."post_id" WHERE "categories_posts"."category_id" = $1 ORDER BY "posts"."id" ASC  [["category_id", 1]]
```

- SQL statement executed without this fix:
```sql
DATS::Post Load (0.3ms)  SELECT "posts".* FROM "posts" INNER JOIN "categories_posts" ON "posts"."id" = "categories_posts"."post_id" WHERE "categories_posts"."category_id" = $1  [["category_id", 1]]
```

Related to
rails#55285

Author: yahonda

activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb

@@ -1014,7 +1014,7 @@ class DeprecatedHasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase
     end
 
     assert_deprecated_association(:deprecated_posts, context: context_for_method(:deprecated_posts)) do
-      assert_equal @category.posts, @category.deprecated_posts
+      assert_equal @category.posts.order(:id), @category.deprecated_posts.order(:id)
     end
   end