Merge branch '345219-drop-global-monaco' into 'master'

...itor/extensions/source_editor_markdown_livepreview_ext.js

app/assets/javascripts/test_utils/index.js

config/webpack.config.js

jest.config.base.js

package.json

spec/features/merge_request/maintainer_edits_fork_spec.rb

spec/features/projects/blobs/edit_spec.rb

spec/features/projects/ci/lint_spec.rb

spec/features/projects/files/user_creates_files_spec.rb

spec/features/projects/files/user_edits_files_spec.rb

spec/frontend/__mocks__/monaco-editor/index.js

spec/frontend/editor/source_editor_spec.js

spec/frontend/environment.js

spec/frontend/ide/components/repo_editor_spec.js

spec/frontend_integration/ide/helpers/start.js

spec/support/helpers/features/blob_spec_helpers.rb

spec/support/helpers/features/source_editor_spec_helpers.rb

yarn.lock