Installed app from dmg doesn't start on MacOS

[simonhong]

Description

Installed app quitted immediately

Steps to Reproduce

1. Install from dmg
2. Run brave app from launcher

Actual result:

Quitted right after running

Expected result:

Running w/o quit

Reproduces how often:

Always

Brave version (about:brave info)

Reproducible on current release:

[kjozwiak]

Went through verification using the following build under macOS 10.13.6 x64 - PASSED

Brave	0.55.6 Chromium: 70.0.3538.16 (Official Build) dev (64-bit)
Revision	16ed95b41bb05e565b11fb66ac33c660b721f778-refs/branch-heads/3538@{#306}
OS	Mac OS X

• Launched via Finder under Applications
• Launched via the Dock after creating the shortcut
• Launched via the Launchpad
• Launched via the terminal using /Applications/Brave\ Browser\ Dev.app/Contents/MacOS/Brave\ Browser\ Dev
• Launched via finding Brave-Browser-Dev via macOS search

@LaurenWags mind double checking this one as well?

[LaurenWags]

Went through verification using the following build under macOS 10.12.6 x64 - PASSED

Brave	0.55.6 Chromium: 70.0.3538.16 (Official Build) dev (64-bit)
Revision	16ed95b41bb05e565b11fb66ac33c660b721f778-refs/branch-heads/3538@{#306}
OS	Mac OS X

• Launched via Finder under Applications
• Launched via the Dock after creating the shortcut
• Launched via the Launchpad
• Launched via the terminal using /Applications/Brave\ Browser\ Dev.app/Contents/MacOS/Brave\ Browser\ Dev
• Launched via finding Brave-Browser-Dev via macOS search