attempt to fix playwright (#4198)

* disable precompress by default

* go back to nuking wasm dir in some cases

* enable more wasm-opt flags, use stable

* add better logging for wasm-opt failure

.github/workflows/main.yml

@@ -211,7 +211,7 @@ jobs:
         with:
           node-version: 16
       - name: Install Rust
-        uses: dtolnay/rust-toolchain@master
+        uses: dtolnay/rust-toolchain@1.86.0
         with:
           toolchain: stable
           targets: x86_64-unknown-linux-gnu,wasm32-unknown-unknown