fix(pubsub): always make config check to prevent race #4606
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In the previous iteration of this PR, #4602, the assumption was made that making the config check earlier will prevent race conditions in the test, which turned out to be incorrect. In addition, although previously ruled out as a solution, this PR makes it so that a config check is always made on the first call to
Receive
. I originally thought this would result in a poor experience for those users who don't have theroles/pubsub.viewer
permission, but we defaultenableOrdering
totrue
anyway if the config call fails due to lack of permissions. Using a default oftrue
only negatively impacts those who don't want ordering on their subscription, and this behavior is already documented.Fixes #3626