使用从闪亮应用下载的r markdown报告中的图像。

I have created a very large shiny app that has a downloadable pdf report. The client has requested their logo in the header of every page of the pdf. I can get a logo on the pdf when the pdf is by itself (not part of the larger shiny app) but pandoc cannot find the image when I try to download the exact same report from within the shiny app. Below is a minimum working example and a list of things I have tried and failed to get to work. I have created a very large shiny app that has