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ba796a3441
After the changes in PR 20928 the code no longer works correctly unless the `abortSignal` parameter is provided, which completely breaks text-selection in e.g. the standalone viewer-components with errors such as:
```
#renderTextLayer: TypeError: EventTarget.addEventListener: 'signal' member of AddEventListenerOptions is not an object.
#bindMouse http://localhost:8888/web/text_layer_builder.js:173
render http://localhost:8888/web/text_layer_builder.js:128
#renderTextLayer http://localhost:8888/web/pdf_page_view.js:532
resultPromise http://localhost:8888/web/pdf_page_view.js:1184
promise callback*draw http://localhost:8888/web/pdf_page_view.js:1174
renderView http://localhost:8888/web/pdf_rendering_queue.js:219
forceRendering http://localhost:8888/web/pdf_viewer.js:2081
promise callback*forceRendering http://localhost:8888/web/pdf_viewer.js:2080
renderHighestPriority http://localhost:8888/web/pdf_rendering_queue.js:84
update http://localhost:8888/web/pdf_viewer.js:1895
onScaleChanging http://localhost:8888/web/app.js:2755
dispatch http://localhost:8888/web/event_utils.js:115
#setScaleUpdatePages http://localhost:8888/web/pdf_viewer.js:1555
#setScale http://localhost:8888/web/pdf_viewer.js:1640
set currentScaleValue http://localhost:8888/web/pdf_viewer.js:592
setInitialView http://localhost:8888/web/app.js:1969
load http://localhost:8888/web/app.js:1570
promise callback*load/< http://localhost:8888/web/app.js:1518
promise callback*load http://localhost:8888/web/app.js:1507
open http://localhost:8888/web/app.js:1255
promise callback*open http://localhost:8888/web/app.js:1253
run http://localhost:8888/web/app.js:895
webViewerLoad http://localhost:8888/web/viewer.js:366
<anonymous> http://localhost:8888/web/viewer.js:377
pdf_page_view.js:547:15
```