* add test that fails on main with the issues
* set label range on slider range change
* setRange in SliderLabel on rangeChanged instead of in QLabeledSlider
* add decimal test that fails on main
* updateText after setDecimals
* add decimal test that fails on main
* updateText after setDecimals
* undo the range change connection
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Co-authored-by: Grzegorz Bokota <bokota+github@gmail.com>