This is where it comes from

web/packages/shared/hooks/useFileInput.tsx

@@ -1,18 +1,23 @@
 import { useCallback, useRef, useState } from "react";
 
 /**
- * TODO (MR): Understand how this is happening, and validate it further (on
- * first glance this is correct).
- *
  * [Note: File paths when running under Electron]
  *
  * We have access to the absolute path of the web {@link File} object when we
  * are running in the context of our desktop app.
  *
+ * https://www.electronjs.org/docs/latest/api/file-object
+ *
  * This is in contrast to the `webkitRelativePath` that we get when we're
  * running in the browser, which is the relative path to the directory that the
  * user selected (or just the name of the file if the user selected or
  * drag/dropped a single one).
+ *
+ * Note that this is a deprecated approach. From Electron docs:
+ *
+ * > Warning: The path property that Electron adds to the File interface is
+ * > deprecated and will be removed in a future Electron release. We recommend
+ * > you use `webUtils.getPathForFile` instead.
  */
 export interface FileWithPath extends File {
     readonly path?: string;
@@ -49,7 +54,10 @@ interface UseFileInputParams {
  *   accept can be an extension or a MIME type (See
  *   https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/accept).
  */
-export default function useFileInput({ directory, accept }: UseFileInputParams) {
+export default function useFileInput({
+    directory,
+    accept,
+}: UseFileInputParams) {
     const [selectedFiles, setSelectedFiles] = useState<File[]>([]);
     const inputRef = useRef<HTMLInputElement>();