"Enable Atom-Typescript for JavaScript files" is always enabled

[brettz9]

Prerequisites

• Put an X between the brackets on this line if you have done all of the following:
  • Reproduced the problem in Safe Mode: https://flight-manual.atom.io/hacking-atom/sections/debugging/#using-safe-mode N/A
  • Followed all applicable steps in the debugging guide: https://flight-manual.atom.io/hacking-atom/sections/debugging/
  • Checked the FAQs on the message board for common solutions: https://discuss.atom.io/c/faq
  • Checked that your issue isn't already filed: https://github.com/issues?utf8=✓&q=is%3Aissue+user%3Aatom
  • Checked that there is not already an Atom package that provides the described functionality: https://atom.io/packages N/A

Description

The setting "Enable Atom-Typescript for JavaScript files (experimental)" will not disable such that the setting is remembered after a reset.

Steps to Reproduce

1. Click to get the setting "Enable Atom-Typescript for JavaScript files (experimental)" unchecked.
2. Restart Atom.

Expected behavior:

See that the setting is not in effect and "Enable Atom-Typescript for JavaScript files (experimental)" remains unchecked after the restart.

Actual behavior:

The setting is still in effect (and "Enable Atom-Typescript for JavaScript files (experimental)" is checked again.)

Reproduces how often:

100%

Versions

Atom : 1.51.0-beta0
Electron: 5.0.13
Chrome : 73.0.3683.121
Node : 12.0.0

apm 2.5.0
npm 6.14.5
node 10.20.1 x64
atom 1.51.0-beta0
python 2.7.15
git 2.21.0

Additional Information

N/A

[brettz9]

Btw, though this is a beta version, I was getting the same issue on a beta version for a different version (1.47 beta0 vs. 1.51 beta0)