🐛 bring back loading provider flags from env vars #4863
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The problem from my original PR #4847 to load provider flags from environment
variables was that I didn't consider the case where a provider defines a flag with
ConfigEntry = "-"
. For those cases, we do NOT bind the flag to theviper
configand therefore, we couldn't load these flags.
This PR fixes that issue and, for those flags that are not bind to the config, we will
continue to fetch the value directly from the flag itself, that is, from
cobra
.