respect score "preferSharpFlat" setting of score, when initialise excerpt

[sammik]

Resolves: #18655

Also related to #18425 (main "declared issue - playback" was already fixed by #18500 but in fact, playback is only symptom, not core of issue)

transposing pitch have to respect concert pitch and prefer settings, otherwise tpc(1, or 2) may be wrong

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