Merge branch '65988-optimize-snippet-listings' into 'master'

app/controllers/concerns/issuable_collections.rb

app/controllers/concerns/paginated_collection.rb

app/controllers/dashboard/snippets_controller.rb

app/controllers/dashboard/todos_controller.rb

app/controllers/explore/snippets_controller.rb

app/controllers/projects/snippets_controller.rb

app/controllers/snippets_controller.rb

app/controllers/users_controller.rb

app/models/concerns/noteable.rb

app/models/snippet.rb

app/views/shared/snippets/_list.html.haml

app/views/shared/snippets/_snippet.html.haml

changelogs/unreleased/65988-optimize-snippet-listings.yml

lib/gitlab/issuable_metadata.rb

lib/gitlab/noteable_metadata.rb

spec/controllers/dashboard/snippets_controller_spec.rb

spec/controllers/dashboard/todos_controller_spec.rb

spec/controllers/explore/snippets_controller_spec.rb

spec/controllers/projects/issues_controller_spec.rb

spec/controllers/projects/snippets_controller_spec.rb