This is pretty much a non-issue as the particular data-attribute isn't used in the JS but the HTML of the file_uploader template contains:
If this was ever needed in the future, or indeed if an add-on extended and needed this, the attribute would be invalid.
Should be:
HTML:
data-uploaderId="{$uploaderId}"
If this was ever needed in the future, or indeed if an add-on extended and needed this, the attribute would be invalid.
Should be:
HTML:
data-uploaderid="{$uploaderId}"