Ryuya Matsunawa

@duchanglong page-number does not work properly. But @pages-rendered work. ``` methods: { pagesRendered(vuePdf) { setTimeout(() => (pdfApp.pdfViewer.currentPageNumber = "5")) } } ```

@w5400013936 @sandanat page-scale does not work properly. But @pages-rendered work. ``` methods: { pagesRendered(vuePdf) { setTimeout(() => (pdfApp.pdfViewer.currentScaleValue = "0.2")) } } ```