NicoP-S

**What kind of change does this PR introduce?** - [ ] Bugfix - [ ] Feature - [X] Documentation - [ ] Code style update - [ ] Refactor -...

controls.stop() DOMException: The associated Track is in an invalid state

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I get this `DOMException: The associated Track is in an invalid state` in chrome on mobile devices. Using the BrowserMutliFormatReader and call the function `decodeFromDevice` the error occures after calling...

PDFjs v4 worked fine on mine q-pdfviewer extension pdfjs-4.0.189 https://github.com/mozilla/pdf.js/releases/tag/v4.0.189 Deleted old pdfjs folder and placed the new one there. related issue #133