… and once you enable and configure the module on a photo, you can copy the step to the other shots’ history stacks. Make sure hou use the append mode when hou paste the step.
I’d use selective copy on the original, Ctrl+A to select all images (if the target images are the ones visible in the lighttable view), and selective paste:
You may need to do this separately for the different aspect ratios (including landscape and portrait orientation). See aspect ratio under darktable 3.8 user manual - collections