chore: Fixes #2308 Structured Logging migration for Fatal logs

[rylim]

Fixes #2308 (Partially)

Changes:

• Replace "log" import with log "github.com/sirupsen/logrus" as needed (need to experiment more on this due to issues)
• Replace log.Fatal(err) with its structured version log.WithError(err).Fatal(err.Error())
• If these changes look good, I can work on the remaining Fatal logs with fields, i.e. Fatalf ones.
• Is there any specific formatting that should be applied for the logger globally?

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