When the gamma node is selected and grouped, the gamma socket has missing float subtype, this is due to the wrong value in `node_declare`. Pull Request: https://projects.blender.org/blender/blender/pulls/126679
When the gamma node is selected and grouped, the gamma socket has missing float subtype, this is due to the wrong value in `node_declare`. Pull Request: https://projects.blender.org/blender/blender/pulls/126679