Jonas Jenwald 2fbfd9517f Remove the unneeded error-handling at the end of PDFViewerApplication.run
This is quite old code, however the error-handling no longer seems necessary for a couple of reasons:
 - The `PDFViewerApplication.open` method is asynchronous, which means that it cannot throw a "raw" `Error` and the try-catch is not needed in that case.
 - None of the other affected methods should throw, and if they do that'd rather indicate an *implementation* error in the code.
 - Finally, and most importantly, with the `PDFViewerApplication.run` method now being asynchronous an (unlikely) `Error` thrown within it will lead to a rejected `Promise` and not affect execution of other code.
2023-07-27 12:14:14 +02:00
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