First message here, so hello everybody

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I have an iPod Classic 6g with a broken Play button. It's still usable with its original firmware, with a few workarounds, but I was wondering if the situation could improve with Rockbox.
The Play button has 3 functions, AFAIK:
In the OF, I can start playing a song by browsing my music and using the Select button. I can also pause playing by removing the headphones jack, but then I can no longer resume playing, I have to go back browsing my music, find the song and start it from the beginning. This is a real pain, since I am used to wear headphones at work, but of course I have to frequently pause my music to talk with colleagues.
Rockbox already has a function to resume playing then headphones are plugged again, which is soooo sweet in my case

, but I was wondering if it was possible to avoid this continuous unplugging/plugging thing altogether. I can't seem to find any play/pause functions in the menus, but I thought that maybe I could easily enable them with a custom build. Has anyone already looked into this?
The sleep/power function is no worry, I'll just put the iPod on hold and wait for the automatic sleep timeout.
Alternatively, can I replace the physical button? I am used to dismantling Classics and I have a few dead logic boards which I could recover the button from. I can also use a soldering iron (more or less...). The problem is that the button has some sort of nylon film on top, that I am afraid the iron would destroy during soldering/desoldering. Has anyone attempted this?
Thanks for any hints!