Abhishek Pandey 3f98aa33de
Switch to custom drive items for backup operations (#4784)
<!-- PR description-->

Switch to using `custom.DriveItem` instead of `models.DriveItemable` during backups. There is a slight impact to restore as well, since backup and restore both use a few common interfaces e.g. `AugmentItemInfo`. 

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#### Does this PR need a docs update or release note?

- [x]  Yes, it's included
- [ ] 🕐 Yes, but in a later PR
- [ ]  No

#### Type of change

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- [x] 🌻 Feature
- [ ] 🐛 Bugfix
- [ ] 🗺️ Documentation
- [ ] 🤖 Supportability/Tests
- [ ] 💻 CI/Deployment
- [ ] 🧹 Tech Debt/Cleanup

#### Issue(s)

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* #<issue>

#### Test Plan

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- [x] 💪 Manual
- [x]  Unit test
- [x] 💚 E2E
2023-12-05 22:48:02 +00:00
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2023-11-15 23:01:08 +00:00
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2023-11-17 18:57:29 +00:00