Panic in dynamic import

[bartlomieju]

Originally reported in denoland/deno#27736

function bar(v) {
  bar(import(0));
}
bar("foo");

causes panic like so:

thread 'main' panicked at /Users/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/deno_core-0.330.0/runtime/bindings.rs:700:47:
called `Option::unwrap()` on a `None` value
stack backtrace:
   0:        0x10f995386 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hcaf66bc4c0c453df
   1:        0x10e79315b - core::fmt::write::hc9c5f1836b413410
   2:        0x10f95af42 - std::io::Write::write_fmt::h49df280499063c09
   3:        0x10f9980a8 - std::panicking::default_hook::{{closure}}::h52c0b2f44f6107c5
   4:        0x10f997d21 - std::panicking::default_hook::h5a6cf31501c161b2
   5:        0x10e64e661 - deno::setup_panic_hook::{{closure}}::hd20786499ea60ca0
   6:        0x10f9990be - std::panicking::rust_panic_with_hook::hda4640ee332466e9
   7:        0x10f998a52 - std::panicking::begin_panic_handler::{{closure}}::haa3060694b34ea3d
   8:        0x10f9989e9 - std::sys::backtrace::__rust_end_short_backtrace::h8eb44913cfe71457
   9:        0x10f9989dc - _rust_begin_unwind
  10:        0x11149de5a - core::panicking::panic_fmt::h31edc3d6ff0aadca
  11:        0x11149df14 - core::panicking::panic::hfd2e4211468d1768
  12:        0x11149e378 - core::option::unwrap_failed::h5efa68320d76c7d1
  13:        0x10e92cf6d - <F as v8::isolate::HostImportModuleDynamicallyCallback>::to_c_fn::abi_adapter::h457a0d923bedd7cf
  14:        0x110420d31 - __ZN2v88internal25Runtime_DynamicImportCallEiPmPNS0_7IsolateE