Fix CloudCommunications module generation by resolving circular reference

[Copilot]

AutoREST generation was failing silently for CloudCommunications module due to circular reference between MicrosoftGraphEngagementConversationMessage and MicrosoftGraphEngagementConversation, preventing the module from being published in v2.33.0 and v2.34.0.

Changes

• Added MicrosoftGraphEngagementConversationMessage to the no-inline directive list in src/readme.graph.md

This breaks the circular dependency by instructing AutoREST to not inline the MicrosoftGraphEngagementConversationMessage model during code generation, allowing the CloudCommunications module to build successfully.

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Microsoft.Graph.CloudCommunications not available in v2.33.0 or v2.34.0</issue_title>
<issue_description>### Describe the bug

For some reason, the Microsoft.Graph.CloudCommunications is missing from the last two releases. The Microsoft.Graph.Beta.CloudCommunications module is also out of sync with the rest of the Beta release:

2.34.0               Microsoft.Graph                     PSGallery            Microsoft Graph PowerShell module
2.34.0               Microsoft.Graph.Applications        PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Authentication      PSGallery            Microsoft Graph PowerShell Authenticatio…
2.34.0               Microsoft.Graph.BackupRestore       PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta                PSGallery            Microsoft Graph PowerShell module
2.34.0               Microsoft.Graph.Beta.Applications   PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.BackupRestore  PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.BusinessScena… PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Calendar       PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.ChangeNotific… PSGallery            Microsoft Graph PowerShell Cmdlets
v
2.28.0               Microsoft.Graph.Beta.CloudCommunic… PSGallery            Microsoft Graph PowerShell Cmdlets
^
2.34.0               Microsoft.Graph.Beta.Compliance     PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.CrossDeviceEx… PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.DeviceManagem… PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.DeviceManagem… PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.DeviceManagem… PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.DeviceManagem… PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Devices.Cloud… PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Devices.Corpo… PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Devices.Servi… PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.DirectoryObje… PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Education      PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Files          PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Financials     PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Groups         PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Identity.Dire… PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Identity.Gove… PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Identity.Part… PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Identity.Sign… PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Mail           PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.ManagedTenants PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Migrations     PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.NetworkAccess  PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Notes          PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.People         PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.PersonalConta… PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Planner        PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Reports        PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.SchemaExtensi… PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Search         PSGallery            Microsoft Graph PowerShell Cmdlets
2.34.0               Microsoft.Graph.Beta.Securi...

</details>



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- Fixes microsoftgraph/msgraph-sdk-powershell#3480

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