[client-app] don't re-close dev tools
[client-app] don't re-close dev tools

Summary:
If you have the console open and are looking at the Source panel or
something, this will constantly bring you back to the Console panel. Won't
do that anymore with this chec

Test Plan: manual

Reviewers: spang, mark, halla, juan

Reviewed By: mark, halla, juan

Differential Revision: https://phab.nylas.com/D4162

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