refactor: centralize category name localization to C++ model - #787

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/setup-go@v3. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Include file: <QAbstractItemModel> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: "dsglobal.h" not found.

Include file: "applet.h" not found.

Include file: <QLoggingCategory> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <DDBusSender> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <itemarrangementproxymodel.h> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <appsmodel.h> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <appitem.h> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <blurhashimageprovider.h> not found. Please note: Cppcheck does not need standard library headers to get proper results.