fix: race when stopping on node-internals exceptions

Fixes microsoft/vscode#204581

src/adapter/threads.ts

@@ -957,6 +957,7 @@ export class Thread implements IVariableStoreLocationProvider {
         // and an instrumentation pause in step out should not be possible.
         if (expectedPauseReason.direction === StepDirection.In) {
           // no-op
+          debugger;
         } else {
           return this._cdp.Debugger.resume({});
         }