Rename models to Neon Specific names for .NET SDK (#31442)

Author: almasak

specification/liftrneon/Neon.Postgres.Management/client.tsp

@@ -4,3 +4,21 @@ import "@azure-tools/typespec-client-generator-core";
 using Azure.ClientGenerator.Core;
 
 @@clientName(Neon.Postgres, "NeonPostgresMgmtClient", "python");
+@@clientName(Neon.Postgres.OrganizationResource, "NeonOrganization", "csharp");
+@@clientName(LiftrBase.CompanyDetails, "NeonCompanyDetails", "csharp");
+@@clientName(LiftrBase.MarketplaceDetails, "NeonMarketplaceDetails", "csharp");
+@@clientName(LiftrBase.OfferDetails, "NeonOfferDetails", "csharp");
+@@clientName(LiftrBase.UserDetails, "NeonUserDetails", "csharp");
+@@clientName(LiftrBase.Data.OrganizationProperties,
+  "NeonOrganizationPropertes",
+  "csharp"
+);
+@@clientName(Azure.ResourceManager.ResourceProvisioningState,
+  "NeonResourceProvisioningState",
+  "csharp"
+);
+@@clientName(LiftrBase.SingleSignOnProperties,
+  "NeonSingleSignOnProperties",
+  "csharp"
+);
+@@clientName(LiftrBase.SingleSignOnStates, "NeonSingleSignOnState", "csharp");