Menus are displayed in languages other than JavaScript and JavaScript JSX.
The problem can be solved by setting "when" correctly as follows.
// now
{"command":"adobe_dev_utils.js_to_string","key":"alt+d","mac":"alt+d","when":"editorTextFocus"}
// fixed
{"command":"adobe_dev_utils.js_to_string","key":"alt+d","mac":"alt+d","when": "editorTextFocus && (editorLangId == javascript || editorLangId == javascriptreact || editorLangId == js || editorLangId == jsx)"}
The specific proposed fixes have been submitted in a pull request.
Thank you.