change scm default from tree to list

src/vs/workbench/contrib/scm/browser/scm.contribution.ts

@@ -114,7 +114,7 @@ Registry.as<IConfigurationRegistry>(ConfigurationExtensions.Configuration).regis
 				localize('scm.defaultViewMode.list', "Show the repository changes as a list.")
 			],
 			description: localize('scm.defaultViewMode', "Controls the default Source Control repository view mode."),
-			default: 'tree'
+			default: 'list'
 		}
 	}
 });