Fixes problem where JSON url was overwriting Slack webhook url.
Fixes problem where JSON url was overwriting Slack webhook url.

Co-authored-by: David Huang <e0ac838b6ad18877fb5ba649b6c27b9576ab2274@gmail.com>
Co-authored-by: Matt Dole <d2bfcdbe9f09cd93311a64be75a8346ced12921c@gmail.com>

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