toggleAddFilesPanel() - make args consistent

[lakesare]

Previously it worked because props.toggleAddFilesPanel(event) is also truthy 😞
This was setting state.showAddFilesPanel to event.

[github-actions]

Diff output files

diff --git a/packages/@uppy/dashboard/lib/components/FileItem/FileInfo/index.js b/packages/@uppy/dashboard/lib/components/FileItem/FileInfo/index.js
index 07b4bf7..3c1cbd5 100644
--- a/packages/@uppy/dashboard/lib/components/FileItem/FileInfo/index.js
+++ b/packages/@uppy/dashboard/lib/components/FileItem/FileInfo/index.js
@@ -59,7 +59,7 @@ const ReSelectButton = props =>
     h("button", {
       className: "uppy-u-reset uppy-c-btn uppy-Dashboard-Item-reSelect",
       type: "button",
-      onClick: props.toggleAddFilesPanel,
+      onClick: () => props.toggleAddFilesPanel(true),
     }, props.i18n("reSelect")),
   );
 const ErrorButton = _ref => {