Developer Tools of Electron not work

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Expect:

1. Download offical electron to /tmp/electron
2. unpack and run /tmp/electron/electron
3. press Ctrl+Shift+I
4. Developer Tools shows
5. cd /usr/lib64/vscode/resources/app
6. run vscode: ELECTRON_RUN_AS_NODE=1 /tmp/electron/electron ./out/cli.js ./code.js
7. Click: Help -- Toggle Developer Tools
8. Developer Tools shows and works

Actual:

1. Build electron from ebuild
2. run electron-7 or electron-8
3. press Ctrl+Shift+I
4. Nothing happend
5. run code-oss
6. Click: Help -- Toggle Developer Tools
7. Developer Tools shows but it's not responding

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It seems gcc build don't have this issue

not related

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Another test:

1. runelectron --no-sandbox --inspect
2. open chrome://inspect/ in chromium
3. click inspect in remote target
4. Developer Tools shows but it's not responding
   

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Cause by c4b43f3

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fixed: c16b528#diff-755843ee9442f1f149675494d19c6902L549