Implement "Show clef" in "Edit Staff Types" dlg box for all types, not only for TAB's
Bar lines: property defaults for span parameters (staves, from, to) depend on staff span and number of lines.
Align with recent commits.

It also fixes #20424.
TAB: fix cases of wrong positions of augm. dots with "Stems through staves" option
Merge pull request #281 from mgavioli/TAB_dot_position

TAB: augm. dot position when stems through staff
Merge pull request #272 from mgavioli/BARLINE_property_default

Bar lines: property defaults
Merge pull request #274 from mgavioli/CLEF_stafftype_dlg_show_clef

CLEFS: Box "Show clef" in "Edit staff types" dlg box
adjust 1line staff to use first line