Addressed review feedbacks

Author: Hovsep Mkrtchyan

src/ServiceManagement/Profile/Commands.Profile/Microsoft.WindowsAzure.Commands.Profile.format.ps1xml

@@ -76,7 +76,8 @@
                 <PropertyName>TenantId</PropertyName>
               </ListItem>
               <ListItem>
-                <PropertyName>CurrentStorageAccountName</PropertyName>
+                <Label>CurrentStorageAccountName</Label>
+                <ScriptBlock>$_.GetAccountName()</ScriptBlock>
               </ListItem>
             </ListItems>
           </ListEntry>

src/ServiceManagement/Profile/Commands.Profile/Models/PsAzureSubscription.cs

@@ -34,7 +34,7 @@ public PSAzureSubscription(AzureSubscription subscription, AzureSMProfile profil
             Accounts = profile.Accounts.Values.Where(a => a.HasSubscription(subscription.Id)).ToArray();
             IsDefault = subscription.IsPropertySet(AzureSubscription.Property.Default);
             IsCurrent = profile.Context != null && profile.Context.Subscription.Id == subscription.Id;
-            CurrentStorageAccountName = GetAccountName(subscription.GetProperty(AzureSubscription.Property.StorageAccount));
+            CurrentStorageAccountName = subscription.GetProperty(AzureSubscription.Property.StorageAccount);
             TenantId = subscription.GetPropertyAsArray(AzureSubscription.Property.Tenants).FirstOrDefault();
         }
 
@@ -56,13 +56,13 @@ public PSAzureSubscription(AzureSubscription subscription, AzureSMProfile profil
 
         public string TenantId { get; set; }
 
-        public string GetAccountName(string storageAccount)
+        public string GetAccountName()
         {
             string accountName = null;
 
-            if (!string.IsNullOrWhiteSpace(storageAccount))
+            if (!string.IsNullOrWhiteSpace(this.CurrentStorageAccountName))
             {
-                accountName = storageAccount.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries)
+                accountName = this.CurrentStorageAccountName.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries)
                                               .Where(s => s.StartsWith("accountname", StringComparison.OrdinalIgnoreCase))
                                               .Select( s => s.Split(new[] { '=' }, StringSplitOptions.RemoveEmptyEntries).Last())
                                               .FirstOrDefault();