fix tests for BECStatusBox
- PyQt6 tests are randomly failing
- PySide6 tests have problem with API used during testing:
=========================== short test summary info ============================
FAILED tests/unit_tests/test_bec_status_box.py::test_status_box_init - AttributeError: 'PySide6.QtWidgets.QTreeWidgetItem' object has no attribute 'DontShowIndicator'
Edited by wyzula_j