Add section "Limitations of the embedded DevTools browser"

[mikehoffms]

Rendered article sections for review:

• Using an external browser window > Limitations of the embedded DevTools browser - new section.
  • https://review.learn.microsoft.com/microsoft-edge/visual-studio-code/microsoft-edge-devtools-extension/external-browser-window?branch=pr-en-us-3147#limitations-of-the-embedded-devtools-browser
  • Before/Live
• Integration with Visual Studio Code debugging > Opening the browser as part of a debugging session - link to new section.
  • https://review.learn.microsoft.com/microsoft-edge/visual-studio-code/microsoft-edge-devtools-extension/debugging-a-webpage?branch=pr-en-us-3147#opening-the-browser-as-part-of-a-debugging-session
  • Before/Live
• Device emulation > intro - link to new section.
  • https://review.learn.microsoft.com/microsoft-edge/visual-studio-code/microsoft-edge-devtools-extension/device-state-emulation?branch=pr-en-us-3147
  • Before/Live
• Opening DevTools and the DevTools browser > See also - link to new section.
  • https://review.learn.microsoft.com/microsoft-edge/visual-studio-code/microsoft-edge-devtools-extension/open-devtools-and-embedded-browser?branch=pr-en-us-3147#see-also
  • Before/Live

This PR fixes https://github.com/MicrosoftDocs/edge-developer/issues/3075

AB#50646343

[learn-build-service-prod[bot]]

Learn Build status updates of commit 7f4f001:

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microsoft-edge/visual-studio-code/microsoft-edge-devtools-extension/debugging-a-webpage.md	:white_check_mark:Succeeded	View
microsoft-edge/visual-studio-code/microsoft-edge-devtools-extension/device-state-emulation.md	:white_check_mark:Succeeded	View
microsoft-edge/visual-studio-code/microsoft-edge-devtools-extension/external-browser-window.md	:white_check_mark:Succeeded	View
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[learn-build-service-prod[bot]]

Learn Build status updates of commit 5cc86a2:

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microsoft-edge/visual-studio-code/microsoft-edge-devtools-extension/debugging-a-webpage.md	:white_check_mark:Succeeded	View
microsoft-edge/visual-studio-code/microsoft-edge-devtools-extension/device-state-emulation.md	:white_check_mark:Succeeded	View
microsoft-edge/visual-studio-code/microsoft-edge-devtools-extension/external-browser-window.md	:white_check_mark:Succeeded	View
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Learn Build status updates of commit 2738f9f:

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microsoft-edge/visual-studio-code/microsoft-edge-devtools-extension/debugging-a-webpage.md	:white_check_mark:Succeeded	View
microsoft-edge/visual-studio-code/microsoft-edge-devtools-extension/device-state-emulation.md	:white_check_mark:Succeeded	View
microsoft-edge/visual-studio-code/microsoft-edge-devtools-extension/external-browser-window.md	:white_check_mark:Succeeded	View
microsoft-edge/visual-studio-code/microsoft-edge-devtools-extension/open-devtools-and-embedded-browser.md	:white_check_mark:Succeeded	View

For more details, please refer to the build report.

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