ensure all install config settings are populated

Oqtane.Client/Modules/Admin/Sites/Add.razor

@@ -390,6 +390,8 @@ else
                             config.DatabaseType = tenant.DBType;
                             config.ConnectionString = tenant.DBConnectionString;
                             config.IsNewTenant = false;
+                            config.HostEmail = PageState.User.Email;
+                            config.HostName = PageState.User.DisplayName;
                         }
                     }
 
@@ -403,6 +405,7 @@ else
                         config.SiteTemplate = _sitetemplatetype;
                         config.RenderMode = _rendermode;
                         config.Runtime = _runtime;
+                        config.Register = false;
 
                         ShowProgressIndicator();