Adds groups to the m365 services api. Also adds a bit of touchups/cleanups on the side.
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#### Does this PR need a docs update or release note?
- [x] ⛔ No
#### Type of change
- [x] 🌻 Feature
#### Issue(s)
* #3989
#### Test Plan
- [x] ⚡ Unit test
- [x] 💚 E2E
