<!-- PR description-->
Currently the backup output show,
- total backup size - size of files + size of metafiles
- no of files - no of files + no of metafile
With this change the output of backup command shows size of only files and count include only file count.
NOTE: all current three services results will be impacted here.
#### Does this PR need a docs update or release note?
- [ ] ✅ Yes, it's included
- [ ] 🕐 Yes, but in a later PR
- [x] ⛔ No
#### Type of change
<!--- Please check the type of change your PR introduces: --->
- [ ] 🐛 Bugfix
#### Issue(s)
<!-- Can reference multiple issues. Use one of the following "magic words" - "closes, fixes" to auto-close the Github issue. -->
* https://github.com/alcionai/corso/issues/3304
#### Test Plan
<!-- How will this be tested prior to merging.-->
- [x] 💪 Manual
- [ ] ⚡ Unit test
- [x] 💚 E2E