#5354 Overlap of key signature and first note

[Simon Albrecht]

Reported by Arnold Wendl:

:::TeX
\version "2.19.80"
% same in 2.18.2

\score {
  <<
    \new StaffGroup <<
      \new Staff \with { instrumentName = "Horn I in E" } {
        e'1 \break e' \bar "|."
      }
      \new Staff \with { instrumentName = "Horn II in E" } {
        g1 \break c' \bar "|."
      }
    >>
    \new Staff \with {
      instrumentName = \markup { Bass clarinet in \concat { B \flat } }
    }  {
      \key fis \major
      fis1 \break cis1 \bar "|."
    }
  >>
  \layout { indent = 50 \mm }
}

[Aurélien Bello]

this happens when the first note is low and it is a whole note. It also happens with whole measure rests and causes the other staves not to be aligned with the staff which has the longest key signature