changes a couple things in the backup cli output:
* appends the backup id after completion
* prints an error if the backup fails
* replaces multierr with a clues error
* logs each backup failure individually
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#### Does this PR need a docs update or release note?
- [x] ⛔ No
#### Type of change
- [x] 🧹 Tech Debt/Cleanup
#### Issue(s)
* #1970
#### Test Plan
- [x] 💪 Manual