e842966c5e
This adds the ability to customize the default width of a group node that's created for a node group. This feature works towards the goal of unifying the features available to built-in nodes and node groups. We often customize the width of built-in nodes from them to looks slightly better (e.g. to avoid cut-off labels). Pull Request: https://projects.blender.org/blender/blender/pulls/126054