Assume the virtual dom is not rendering while not diffing components (#3406)

* Invert when the rendering flag is set

* Add a playwright test to make sure effects, and web-sys integration is working

* fix playwright test

Cargo.lock

@@ -4051,6 +4051,8 @@ dependencies = [
  "serde_json",
  "tracing",
  "tracing-wasm",
+ "wasm-bindgen",
+ "web-sys",
 ]
 
 [[package]]