Adds a middleware to the graph api adapter which
watches all http request responses for both panics and connection reset issues. Panics are
transformed into standard errors. Connection
resets get retried up to three times.
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#### Does this PR need a docs update or release note?
- [x] ⛔ No
#### Type of change
- [x] 🌻 Feature
#### Test Plan
- [x] ⚡ Unit test
This is primarily an exercise in reducing the number of circular imports we get from adding the tester package to other packages.
No logic changes. Purely movement/renaming.
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#### Does this PR need a docs update or release note?
- [x] ⛔ No
#### Type of change
- [x] 🤖 Supportability/Tests
#### Test Plan
- [x] ⚡ Unit test
- [x] 💚 E2E
renames /internal/connector to /internal/m365. No logic changes in this PR. Only the dir rename, import renames, and one linter shadowing rename.
---
#### Does this PR need a docs update or release note?
- [x] ⛔ No
#### Type of change
- [x] 🧹 Tech Debt/Cleanup
#### Issue(s)
* #1996
#### Test Plan
- [x] ⚡ Unit test
- [x] 💚 E2E
