feat(setup): add a setup token for first-run setup (#3437)

fluxer_desktop/src/main/BootstrapEntry.test.mjs

@@ -222,7 +222,7 @@ describe('Bootstrap entry point', () => {
 		assert.doesNotMatch(
 			source,
 			/import\('@electron\/main\/Autostart'\)/,
-			'Autostart.ts pulls the main process i18n and the Linux portals in. The bootstrap only needs the launch check, which lives in the light AutostartLaunch module.',
+			'Autostart.ts pulls the main process i18n and the Linux portals in. The bootstrap only needs the launch check, which is in the light AutostartLaunch module.',
 		);
 	});
 

fluxer_desktop/src/main/ModuleStore.test.mjs

@@ -207,7 +207,7 @@ const RENDERER_BAD_MEMBER = packModule('fluxer_renderer', [['assets/index-v1.js'
 });
 
 describe('ModuleStore', () => {
-	test('lives beside the account store, never inside it', () => {
+	test('is beside the account store, never inside it', () => {
 		const userDataPath = createUserData();
 		const root = getModuleStoreRoot(userDataPath);
 		assert.equal(root, path.join(userDataPath, 'modules'));

fluxer_desktop/src/main/SplashBundleOwnership.test.mjs

@@ -100,7 +100,7 @@ describe('splash bundle ownership', () => {
 		assert.equal(
 			edges.has(SPLASH_MODULE),
 			false,
-			'Updater.ts imports this module into the main app bundle, so a splash import here drags the whole splash across the bundle boundary. The presentation lives in ShellUpdateSplash.ts.',
+			'Updater.ts imports this module into the main app bundle, so a splash import here drags the whole splash across the bundle boundary. The presentation is in ShellUpdateSplash.ts.',
 		);
 	});
 });