* [ArchStairs] Fix Blondel Ratio and Winders
Fix#24065Fix#24051
1. Blondel Ratio is not calculated, this if fixed now. Blondel Ratio property is changed to Length following wiki's descripition.
2. Winders is not implemented as commented in wiki. The property is not added at the moment until it is implemented.
* [ArchStairs] Fix Blondel Ratio and Winders - Remove old Property
For existing Stairs object, remove old property which is Float and add new propety which is Length.
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