Fix Layout/SpaceInsideBlockBraces in other specs

.rubocop_todo/layout/space_inside_block_braces.yml

spec/config/settings_spec.rb

...controllers/admin/application_settings_controller_spec.rb

spec/controllers/application_controller_spec.rb

spec/controllers/groups/labels_controller_spec.rb

spec/controllers/groups/releases_controller_spec.rb

spec/controllers/import/manifest_controller_spec.rb

spec/controllers/projects/blame_controller_spec.rb

spec/controllers/projects/deploy_keys_controller_spec.rb

spec/controllers/projects/feature_flags_controller_spec.rb

spec/controllers/projects/jobs_controller_spec.rb

spec/controllers/projects/labels_controller_spec.rb

spec/controllers/projects/notes_controller_spec.rb

spec/controllers/projects/releases_controller_spec.rb

spec/controllers/projects/tree_controller_spec.rb

spec/controllers/registrations/welcome_controller_spec.rb

spec/controllers/snippets/notes_controller_spec.rb

spec/dependencies/omniauth_saml_spec.rb

spec/experiments/application_experiment_spec.rb

spec/finders/ci/jobs_finder_spec.rb