[Ramses][gravity] Set gravity potential and add it in ghost zones

[Akos299]

No description provided.

[tdavidcl]

@Akos299 I had some issue with one of the GitHub runner, I forced the update of your PR to trigger a new/clean workflow.

[tdavidcl]

From a initial review I will likely approve/merge it tomorrow, the PR is clean.

[github-actions]

Workflow report

workflow report corresponding to commit a1d0905
Commiter email is timothee.davidcleris@proton.me
GitHub page artifact URL GitHub page artifact link (can expire)

Pre-commit check report

Pre-commit check: ✅

trim trailing whitespace.................................................Passed
fix end of files.........................................................Passed
check for merge conflicts................................................Passed
check that executables have shebangs.....................................Passed
check that scripts with shebangs are executable..........................Passed
check for added large files..............................................Passed
check for case conflicts.................................................Passed
check for broken symlinks............................(no files to check)Skipped
check yaml...............................................................Passed
detect private key.......................................................Passed
No-tabs checker..........................................................Passed
Tabs remover.............................................................Passed
Validate GitHub Workflows................................................Passed
clang-format.............................................................Passed
black....................................................................Passed
ruff check...............................................................Passed
Check doxygen headers....................................................Passed
Check license headers....................................................Passed
Check #pragma once.......................................................Passed
Check SYCL #include......................................................Passed
No ssh in git submodules remote..........................................Passed

Test pipeline can run.

Clang-tidy diff report

No relevant changes found.
Well done!

You should now go back to your normal life and enjoy a hopefully sunny day while waiting for the review.

Doxygen diff with main

Removed warnings : 0
New warnings : 0
Warnings count : 6339 → 6339 (0.0%)

Detailed changes :

[tdavidcl]

clean