call: set displayName for ring accounts

Send the alias of the Ring account as the displayName
This is retro-compatible, by setting the displayName field on any ring
account created before this change.

Issue: #77365
Change-Id: Ifbe6269fa5fd6095cd0f61bfb23e443998418a16
diff --git a/src/RingWizardWC.mm b/src/RingWizardWC.mm
index 5868bc6..eab4b79 100644
--- a/src/RingWizardWC.mm
+++ b/src/RingWizardWC.mm
@@ -122,6 +122,8 @@
     NSString* newAccName = @"My Ring";
     Account* newAcc = AccountModel::instance()->add([newAccName UTF8String], Account::Protocol::RING);
     newAcc->setAlias([[nickname stringValue] UTF8String]);
+    newAcc->setDisplayName([[nickname stringValue] UTF8String]);
+
     newAcc->setUpnpEnabled(YES); // Always active upnp
     newAcc << Account::EditAction::SAVE;
 }