Forward update flag on Flipper restart

Summary:
I find it pretty odd that TypeScript just happily accepts
flags that don't exist?

This ensures Flipper properly restarts through Launcher when relevant settings change, which had caused a few support issues.

Reviewed By: lawrencelomax

Differential Revision: D33587139

fbshipit-source-id: d92392e87855b1267abeb374631c85cf3c86ded7

desktop/app/src/electron/initializeElectron.tsx

@@ -166,8 +166,8 @@ export function initializeElectron(
     shouldUseDarkColors() {
       return remote.nativeTheme.shouldUseDarkColors;
     },
-    restartFlipper() {
+    restartFlipper(update: boolean = false) {
-      restart();
+      restart(update);
     },
     loadDefaultPlugins: getDefaultPluginsIndex,
     serverConfig: flipperServerConfig,