Keep change clefs full-sized

When a clef changes, the clef sign displayed is smaller than the initial clef. This can be overridden by setting the context property full-size-change to #t.

\version "2.24"

\relative c' {
  \clef "treble"
  c1
  \clef "bass"
  c1
  \clef "treble"
  c1
  \override Staff.Clef.full-size-change = ##t
  \clef "bass"
  c1
  \clef "treble"
  c1
  \revert Staff.Clef.full-size-change
  \clef "bass"
  c1
  \clef "treble"
  c1
}