fix #25670: Stem direction on beamed notes not imported correctly in 1.3 score. Also, changing stem direction of first note of beam while entering is not ignored when entering more notes in the beam
Merge pull request #991 from lasconic/fix-25670

fix #25670: Stem direction on beamed notes not imported correctly in 1.3...
Swing functionality with UI for controlling swing added
Changed default value of swingRatio and added spacers where necessary
Optimized call to get swing ratio
fixing merge conflicts