<!-- Please search existing issues to avoid creating duplicates. --> <!-- Also please test using the latest insiders build to make sure your issue has not already been fixed: https://code.visualstudio.com/insiders/ --> <!-- Use Help > Report Issue to prefill these. --> - VSCode Version: 1.40.0-insider (72bc289d32ec4f867e73b7f1f2a22f7d614ae2bb) - OS Version: macOSX 10.15 Steps to Reproduce: 1. use auto-complete and press tab <!-- Launch with `code --disable-extensions` to check. --> Does this issue occur when all extensions are disabled?: Yes --- 1.40.0-insider (72bc289d32ec4f867e73b7f1f2a22f7d614ae2bb)  1.38.1 (b37e54c98e1a74ba89e03073e5a3761284e3ffb0) 
