fix launch link when no windows are open

[brindy]

Task/Issue URL: https://app.asana.com/0/1199178362774117/1201965913072538
Tech Design URL:
CC:

Description:

Ensure when browser is open but now windows are open that links launch in a new tab.

Steps to test this PR:

1. Launch the browser, open a new tab, load a URL. Check all open in new tab / new window functions (menus, keyboard short cuts, etc).
2. Close (Cmd-Q) the app, then click on a link in a third party app. The app should launch and a new window should open, with a new tab that loads the URL.
3. Close all tabs but do not close the app, then click on a link in a third party app. A new window should open, with a new tab that loads the URL.

• Test with Release configuration

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Internal references:

Software Engineering Expectations
Technical Design Template
When ready for review, remember to post the PR in MM

[samsymons]

LGTM