file-open can't deal with non-ascii

[orency]

mpv Information

v0.40.0-131-ga418d2163

Details & Reproduction Steps

when i use newest file-open.lua
if a filename or filepath contains non-ascii character such as ñ
mpv will failed to open it

Log File

No response

I carefully read all instructions and confirm that I did the following:

• I tested with the latest mpv version to validate that the issue is not already fixed.
• I provided all required information.