Audit "instruments" strings

src/instrumentsscene/qml/MuseScore/InstrumentsScene/InstrumentsPanel.qml

@@ -116,7 +116,9 @@ Item {
             Layout.leftMargin: 20
             Layout.rightMargin: 20
 
-            text: qsTrc("instruments", "There are no instruments in your score. To choose some, press <b>Add</b>, or use the shortcut <b>‘i’</b>")
+            //: Text between %1 and %2 will be printed in a bold font.
+            text: qsTrc("instruments", "There are no instruments in your score. To choose some, press %1Add%2, or use the shortcut %1‘i’%2")
+                  .arg("<b>").arg("</b>")
             visible: instrumentsTreeModel.isEmpty && instrumentsTreeModel.isAddingAvailable
 
             verticalAlignment: Qt.AlignTop

src/instrumentsscene/qml/MuseScore/InstrumentsScene/internal/InstrumentsOnScoreView.qml

@@ -107,7 +107,7 @@ Item {
 
             currentIndex: instrumentsOnScoreModel.currentOrderIndex
 
-            displayText: qsTrc("instruments", "Order: ") + currentText
+            displayText: qsTrc("instruments", "Order:") + " " + currentText
 
             onActivated: function(index, value) {
                 instrumentsOnScoreModel.currentOrderIndex = index
@@ -168,7 +168,7 @@ Item {
                 anchors.verticalCenter: parent.verticalCenter
 
                 horizontalAlignment: Text.AlignLeft
-                text:  model.isSoloist ? qsTrc("instruments", "Soloist: ") + model.name : model.name
+                text:  model.isSoloist ? qsTrc("instruments", "Soloist:") + " " + model.name : model.name
                 font: ui.theme.bodyBoldFont
             }
 

src/instrumentsscene/view/stafftreeitem.cpp

@@ -55,6 +55,8 @@ void StaffTreeItem::init(const Staff* masterStaff)
     }
 
     QString staffName = staff->staffName();
+
+    //: Prefix for the display name for a linked staff. Preferably, keep this short.
     QString title = masterStaff->isLinked() ? qtrc("instruments", "[LINK] %1").arg(staffName) : staffName;
 
     setId(staff->id());