Show localized Piano Keyboard key names (#30389)

* Show localized Piano Keyboard key names

The C piano keys in the Piano Keyboard panel are always shown in standard pitch notation.

Display the notes with respect to locale by using the strings from `EditPitchBase`.

* Change context from EditPitchBase

to global/pitchName

* Remove spaces from pitch name

* Fix dangling pointer

Author: SilverGreen93

src/notation/view/pianokeyboard/pianokeyboardview.cpp

@@ -266,12 +266,13 @@ void PianoKeyboardView::paintWhiteKeys(QPainter* painter, const QRectF& viewport
 
             int octaveNumber = (key / 12) - 1;
 
-            QString octaveLabel = "C" + QString::number(octaveNumber);
+            std::string octaveLabel = "C" + std::to_string(octaveNumber);
+            QString octaveLabelTr = muse::qtrc("global/pitchName", octaveLabel.c_str());
             QRect octaveLabelRect(left, top, right - left, bottom - top - bottomOffset);
 
             painter->setPen(backgroundColor);
             painter->setFont(m_octaveLabelsFont);
-            painter->drawText(octaveLabelRect, Qt::AlignHCenter | Qt::AlignBottom, octaveLabel);
+            painter->drawText(octaveLabelRect, Qt::AlignHCenter | Qt::AlignBottom, octaveLabelTr);
         }
 
         painter->translate(-rect.topLeft());