{CosmosDB} | Getting location from the Resource Group Name (#18449)

* {CosmosDB} | Getting location from the Resource Group Name

Fixes #17978.
Though we say location parameter is optional we still expect it to be provided https://docs.microsoft.com/en-us/powershell/module/az.cosmosdb/new-azcosmosdbaccount?view=azps-8.0.0. This change will fix that issue.

* {CosmosDB} | adding missing semicolon

adding missing semicolon

* {CosmosDB} | Location is not required and can be null

Fixes #17978

* {CosmosDB} | Update change log

Though we say location parameter is optional we still expect it to be provided https://docs.microsoft.com/en-us/powershell/module/az.cosmosdb/new-azcosmosdbaccount?view=azps-8.0.0. This change will fix that issue.

src/CosmosDB/CosmosDB/ChangeLog.md

@@ -21,6 +21,9 @@
 ## Upcoming Release
 * Fixed bug related to Update-AzCosmosDBSqlContainer command on containers with Client Encryption Policy.
 
+## Version 1.9.0
+* Fixed the optional Location paramater of New-AzCosmosDBAccount cmdlet.
+
 ## Version 1.8.0
 * Introduced support for creating containers with Client Encryption Policy. The current supported version of Client Encryption Policy is 1.
 

src/CosmosDB/CosmosDB/CosmosDBAccount/NewAzCosmosDBAccount.cs

@@ -118,12 +118,6 @@ public override void ExecuteCmdlet()
                 }
             }
 
-            if (string.IsNullOrEmpty(writeLocation))
-            {
-                WriteWarning("Cannot create Account without a Write Location.");
-                return;
-            }
-
             Dictionary<string, string> tags = new Dictionary<string, string>();
             if (Tag != null)
             {