fix(runtime): don't crash when window is deleted (#13392)

This commit fixes an error when user deletes "window" global JS
variable. Instead of relying on "window" or "globalThis" to dispatch
"load" and "unload" events, we are default to global scope of the
worker.

1 files changed, 1 insertions, 0 deletions

diff --git a/cli/tests/testdata/delete_window.js b/cli/tests/testdata/delete_window.js
new file mode 100644
index 000000000..f2f16820d
--- /dev/null
+++ b/cli/tests/testdata/delete_window.js
@@ -0,0 +1 @@
+console.log(delete globalThis.window);