Jonas Jenwald 4886a7cf69 Skip Promise.all in PDFViewerApplication._parseHashParameters unless actually necessary
Given that only two debugging hash parameters (i.e. `disableWorker` and `pdfBug`) will make this method asynchronous, we can avoid what's most of the time is an unnecessary `Promise.all` invocation.
2020-11-18 11:45:18 +01:00
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