Mount vue app after comfy app init (#167)

* Mount vue app after comfy app

* Emit event when vue app loaded

* Dispatch event to window

* Fix test timeout

* Try observe variable

* Revert

* Update test expectations [skip ci]

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Co-authored-by: github-actions <github-actions@github.com>

browser_tests/ComfyPage.ts

@@ -233,9 +233,8 @@ export const comfyPageFixture = base.extend<{ comfyPage: ComfyPage }>({
 				font-family: 'Roboto Mono', 'Noto Color Emoji';
 			}`,
     });
-
     await page.waitForFunction(() => document.fonts.ready);
-    await page.waitForFunction(() => window["app"] != undefined);
+    await page.waitForFunction(() => window["app"] !== undefined);
     await page.evaluate(() => {
       window["app"]["canvas"].show_info = false;
     });