Simplify deleting measures in part

Author: miiizen

src/engraving/dom/edit.cpp

@@ -4598,15 +4598,21 @@ void Score::cmdTimeDelete()
     }
 
     if (!isMaster() && masterScore()) {
-        Measure* masterStartMeas = masterScore()->tick2measure(selection().tickStart());
-        Measure* masterEndMeas = endSegment ? masterScore()->tick2measure(selection().tickEnd()) : nullptr;
-        if (endSegment && endSegment->isEndBarLineType()) {
-            Measure* prevEndMeasure = masterEndMeas->prevMeasure();
-            masterEndMeas = prevEndMeasure ? prevEndMeasure : masterEndMeas;
-        }
-        Segment* masterStartSeg
-            = masterStartMeas ? masterStartMeas->findSegment(startSegment->segmentType(), startSegment->tick()) : startSegment;
-        Segment* masterEndSeg = masterEndMeas ? masterEndMeas->findSegment(endSegment->segmentType(), endSegment->tick()) : endSegment;
+        Fraction startTick = startSegment->tick();
+        Measure* masterStartMeas = masterScore()->tick2measure(startTick);
+        Segment* masterStartSeg = masterStartMeas->findSegment(startSegment->segmentType(), startSegment->tick());
+        Segment* masterEndSeg = nullptr;
+
+        if (endSegment) {
+            Fraction endTick = endSegment->tick();
+            Measure* masterEndMeas = masterScore()->tick2measure(endTick);
+            if (endSegment->isEndBarLineType()) {
+                Measure* prevMasterEndMeasure = masterEndMeas->prevMeasure();
+                masterEndMeas = prevMasterEndMeasure ? prevMasterEndMeasure : masterEndMeas;
+            }
+            masterEndSeg = masterEndMeas->findSegment(endSegment->segmentType(), endSegment->tick());
+        }
+
         masterScore()->doTimeDelete(masterStartSeg, masterEndSeg);
     } else {
         doTimeDelete(startSegment, endSegment);