OSC does not show ms precision timestamps anymore with timems enabled

[zeromind]

mpv Information

mpv v0.38.0-476-gd2bd77ada0 Copyright © 2000-2024 mpv/MPlayer/mplayer2 projects
 built on Jun  8 2024 23:54:22
libplacebo version: v7.349.0 (v7.349.0-rc1-2-gbc9de9c7)
FFmpeg version: N-115628-g658439934b
FFmpeg library versions:
   libavutil       59.21.100
   libavcodec      61.7.100
   libavformat     61.3.104
   libswscale      8.2.100
   libavfilter     10.2.102
   libswresample   5.2.100

Important Information

• Platform version: openSUSE Slowroll 20240429
• GPU model, driver and version: Intel Arc A380
• Source: built using mpv-build
• Introduced in version: https://github.com/mpv-player/mpv/commit/525fa85932a8cd431470b4d80afd5ab2d8c858c5

Reproduction Steps

1. Start watching video with ms precision timestamps enabled for OSC: mpv --no-config --script-opts=osc-timems=yes 'https://www.youtube.com/watch?v=dQw4w9WgXcQ'
2. move cursor to show OSC

Expected Behavior

OSC shows timestamps with ms precision

Actual Behavior

OSC shows timestamps with second precision

Log File

timems.log

Sample Files

No response

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

• [X] I tested with the latest mpv version to validate that the issue is not already fixed.
• [X] I provided all required information including system and mpv version.
• [X] I produced the log file with the exact same set of files, parameters, and conditions used in "Reproduction Steps", with the addition of --log-file=output.txt.
• [X] I produced the log file while the behaviors described in "Actual Behavior" were actively observed.
• [X] I attached the full, untruncated log file.
• [X] I attached the backtrace in the case of a crash.