Hide sharepoint details command (#2304)

## Description

Sharepoint support is still under active development and not ready for use. Hiding the command from
usage details.

## 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: --->
- [ ] 🌻 Feature
- [ ] 🐛 Bugfix
- [x] 🗺️ Documentation
- [ ] 🤖 Test
- [ ] 💻 CI/Deployment
- [ ] 🧹 Tech Debt/Cleanup

## Test Plan

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

src/cli/backup/sharepoint.go

@@ -108,7 +108,7 @@ func addSharePointCommands(cmd *cobra.Command) *cobra.Command {
 			"ID of the backup to retrieve.")
 
 	case detailsCommand:
-		c, fs = utils.AddCommand(cmd, sharePointDetailsCmd())
+		c, fs = utils.AddCommand(cmd, sharePointDetailsCmd(), utils.HideCommand())
 
 		c.Use = c.Use + " " + sharePointServiceCommandDetailsUseSuffix
 		c.Example = sharePointServiceCommandDetailsExamples