Uncaught `RenderingCancelledException` from PDF.js

[srking]

Describe the bug

An uncaught RenderingCancelledException is thrown when a PDF is in the process of being rendered within a component that is unmounted.

To Reproduce
Steps to reproduce the behavior:

1. Render a PDF within a parent component that can be unmounted (for example in a modal dialog).
2. While the PDF is in the process of rendering (indicated via a loading spinner) unmount the parent component.
3. An uncaught RenderingCancelledException is thrown.

Expected behavior
No error is thrown when the parent component unmounts.

Desktop (please complete the following information):

• OS: macOS Tahoe 26.5.2 (25F84)
• Browser: Chrome 150.0.7871.115

Additional context
Add any other context about the problem here.