Jonas Jenwald ea1ec7ffab Remove a couple of unnecessary pdfDocument checks in web/app.js
These functions invoke the `PDFViewer.currentPageNumber` setter, which already checks that a `pdfDocument` is currently active. Also, given that they're event handlers for the First/Last-page buttons (in the SecondaryToolbar) they can't be invoked before the viewer has been fully initalized.
2023-02-04 22:17:53 +01:00
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