I have simplified the patch to keep using the file path instead of nsIFile. It seems to wok for me on Linux. Please test on Windows, whether the constructed URI is correct and the downloads list opens the correct folder where the file was stored.
Bug 1744709 Comment 10 Edit History
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I have simplified the patch to keep using the file path instead of nsIFile. It seems to work for me on Linux. Please test on Windows, whether the constructed URI is correct and the downloads list opens the correct folder where the file was stored.