mscore font: fixes to prolation glyphs

- `mensuralProlation1` to `mensuralProlation11` glyphs moved to SMuFL 1.0 code points;
- `mensuralProlation3` and `mensuralProlation4` were swapped: corrected.
Merge pull request #1398 from mgavioli/mscore_font_prolation_gyphs_fixes

mscore font: fixes to prolation glyphs