Enable events export (#5015)

<!-- PR description-->

---

#### 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

<!--- Please check the type of change your PR introduces: --->
- [x] 🌻 Feature
- [ ] 🐛 Bugfix
- [ ] 🗺️ Documentation
- [ ] 🤖 Supportability/Tests
- [ ] 💻 CI/Deployment
- [ ] 🧹 Tech Debt/Cleanup

#### Issue(s)

<!-- Can reference multiple issues. Use one of the following "magic words" - "closes, fixes" to auto-close the Github issue. -->
* closes https://github.com/alcionai/corso/issues/3890

#### Test Plan

<!-- How will this be tested prior to merging.-->
- [ ] 💪 Manual
- [x] ⚡ Unit test
- [ ] 💚 E2E

CHANGELOG.md

@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased] (beta)
 
+### Added
+- Events can now be exported from Exchange backups as .ics files.
+
 ### Fixed
 - Retry transient 400 "invalidRequest" errors during onedrive & sharepoint backup.
 - Backup attachments associated with group mailbox items.
@@ -17,6 +20,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Known issues
 - Backing up a group mailbox item may fail if it has a very large number of attachments (500+).
+- Event description for exchange exports might look slightly different for certain events.
 
 ## [v0.18.0] (beta) - 2024-01-02
 

src/internal/m365/service/exchange/export.go

@@ -14,7 +14,6 @@ import (
 	"github.com/alcionai/corso/src/pkg/control"
 	"github.com/alcionai/corso/src/pkg/export"
 	"github.com/alcionai/corso/src/pkg/fault"
-	"github.com/alcionai/corso/src/pkg/logger"
 	"github.com/alcionai/corso/src/pkg/metrics"
 	"github.com/alcionai/corso/src/pkg/path"
 	"github.com/alcionai/corso/src/pkg/services/m365/api"
@@ -62,7 +61,7 @@ func (h *baseExchangeHandler) ProduceExportCollections(
 		category := dc.FullPath().Category()
 
 		switch category {
-		case path.ContactsCategory, path.EmailCategory:
+		case path.ContactsCategory, path.EmailCategory, path.EventsCategory:
 			folders := dc.FullPath().Folders()
 			pth := path.Builder{}.Append(category.HumanString()).Append(folders...)
 
@@ -73,8 +72,6 @@ func (h *baseExchangeHandler) ProduceExportCollections(
 					[]data.RestoreCollection{dc},
 					backupVersion,
 					stats))
-		case path.EventsCategory:
-			logger.Ctx(ctx).With("category", category.String()).Debugw("Skipping restore for category")
 		default:
 			return nil, clues.NewWC(ctx, "data category not supported").
 				With("category", category)