Zero reference positon overide broken with Klipper update

Hello @flynut and welcome to the forum!

You may try a pristine version of Klipper.

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Git version: 'v0.13.0-608-gf3db41c6-dirty'
Untracked files: klippy/extras/autotune_tmc.py, klippy/extras/gcode_shell_command.py, klippy/extras/motor_constants.py
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See: The "dirty" Flag and the Team's Position


The CB2 runs a different version of Klipper.

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Loaded MCU 'CB2' 119 commands (v0.12.0-249-ga19d64fe / gcc: (Debian 10.2.1-6) 10.2.1 20210110 binutils: (GNU Binutils for Debian) 2.35.2)
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BTW: Please, when posting code, use the Preformatted text feature of the forum editor.
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