sage

238f042e - gh-38382: refining the category of all-commuting g-algebras

gh-38382: refining the category of all-commuting g-algebras fixing #38047 ### :memo: Checklist - [x] The title is concise and informative. - [ ] The description explains in detail what this PR is about. - [x] I have linked a relevant issue or discussion. - [x] I have created tests covering the changes. - [ ] I have updated the documentation and checked the documentation preview. URL: https://github.com/sagemath/sage/pull/38382 Reported by: Frédéric Chapoton Reviewer(s): Travis Scrimshaw