Add case-sensitive key sorting setting in Properties add-on

[harriebird]

Proposed changes

This adds a configuration to toggle case-sensitive key sorting to the weblate.properties.sort add-on. This solves issue #11714.

Example images:

Checklist

• [ ] Lint and unit tests pass locally with my changes.
• [ ] I have added tests that prove my fix is effective or that my feature works.
• [ ] I have added documentation to describe my feature.
• [ ] I have squashed my commits into logic units.
• [ ] I have described the changes in the commit messages.

Other information

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 90.62%. Comparing base (6aee586) to head (e5cc251). Report is 2309 commits behind head on main.

Additional details and impacted files

[](https://app.codecov.io/gh/WeblateOrg/weblate/pull/11933?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=WeblateOrg) ```diff @@ Coverage Diff @@ ## main #11933 +/- ## ========================================== - Coverage 90.82% 90.62% -0.20% ========================================== Files 554 581 +27 Lines 57306 58937 +1631 Branches 9122 9406 +284 ========================================== + Hits 52046 53410 +1364 - Misses 3640 3833 +193 - Partials 1620 1694 +74 ``` | [Files](https://app.codecov.io/gh/WeblateOrg/weblate/pull/11933?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=WeblateOrg) | Coverage Δ | | |---|---|---| | [weblate/addons/forms.py](https://app.codecov.io/gh/WeblateOrg/weblate/pull/11933?src=pr&el=tree&filepath=weblate%2Faddons%2Fforms.py&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=WeblateOrg#diff-d2VibGF0ZS9hZGRvbnMvZm9ybXMucHk=) | `93.89% <100.00%> (+0.62%)` | :arrow_up: | | [weblate/addons/properties.py](https://app.codecov.io/gh/WeblateOrg/weblate/pull/11933?src=pr&el=tree&filepath=weblate%2Faddons%2Fproperties.py&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=WeblateOrg#diff-d2VibGF0ZS9hZGRvbnMvcHJvcGVydGllcy5weQ==) | `64.63% <100.00%> (+6.19%)` | :arrow_up: | | [weblate/addons/tests.py](https://app.codecov.io/gh/WeblateOrg/weblate/pull/11933?src=pr&el=tree&filepath=weblate%2Faddons%2Ftests.py&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=WeblateOrg#diff-d2VibGF0ZS9hZGRvbnMvdGVzdHMucHk=) | `99.76% <100.00%> (+0.03%)` | :arrow_up: | ... and [337 files with indirect coverage changes](https://app.codecov.io/gh/WeblateOrg/weblate/pull/11933/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=WeblateOrg)