xfconf/xfconf_info: add return value version (#9226)
* xfconf/xfconf_info: add return value version
* add changelog frag
* adapt test to helper improvements
* rollback copyright update
* replace tab with spaces in test yamls
(cherry picked from commit
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fragments | ||
.gitignore | ||
changelog.yaml | ||
changelog.yaml.license | ||
config.yaml |