* [FreeCAD-20111] Sketcher: Scaling of a sketch containing BSplines doesn't work
When we executing Scale cmd we don't will lose knots information from shape geometry and it cause the scaled spline build with issue knots and it lead solver gets compute issue.
1. Add string format function PythonConverter::makeArryString(const std::stringstream& ss) for processing the control pnts string, mults string and knots string.
2. Add mults and knots information for python obj to make BSplineCurvePy::buildFromPolesMultsKnots(Args...) initialized Geom_BSplineCurve correctly.
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* 1. fix typo
2. Add wights info to keep spline shape after convert from python object
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* 1. remove static function makeArrayString() from PythonConverter
1. Add template function makeSplineInfoArrayString() to generate string for cleaner code.
2. change python string format as review suggestion
* use fmt format
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
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