synchronisation de modifyWithoutSave

[ktn001]

modifyWithoutSave est synchronisé avec jeeFrontEnd.modifyWithouSave pour assurer la compatibilité avec les plugins devant fonctionner sur des core avant 4.4

Description

Suggested changelog entry

Correction d'un bug pouvant avoir un impact mineur sur les plugins

Related issues/external references

Fixes #
issue #2744

Types of changes

• Bug fix (non-breaking change which fixes)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
  • This change is only breaking for integrators, not for external standards or end-users.
• Documentation improvement

PR checklist

• I have checked there is no other PR open for the same change.
• I have read the [La ligne directrice pour contribuer à ce projet / Contribution guidelines for this project).
• I grant the project the right to include and distribute the code under the GNU.
• I have added tests to cover my changes.
• I have verified that the code complies with the projects coding standards.
• [Required for new sniffs] I have added MD documentation for the sniff.