Merge pull request #26115 from mike-spa/fixCrashOnAddGuitarPreBend

Fix crash on adding multiple guitar pre-bends or grace-note-bends

Author: mike-spa

src/engraving/dom/note.cpp

@@ -1924,6 +1924,9 @@ EngravingItem* Note::drop(EditData& data)
             GuitarBendType type = (toActionIcon(e)->actionType() == ActionIconType::PRE_BEND)
                                   ? GuitarBendType::PRE_BEND : GuitarBendType::GRACE_NOTE_BEND;
             GuitarBend* guitarBend = score()->addGuitarBend(type, this);
+            if (!guitarBend) {
+                break;
+            }
             Note* note = guitarBend->startNote();
             IF_ASSERT_FAILED(note) {
                 LOGE() << "not valid start note of the bend";