Fix corruption on enter note mid-second-voice with local time sig

Resolves: #26001

Resolves the freeze that occurs when opening the corrupted file. Also resolves the problem which causes the corruption in the first place.

src/engraving/dom/check.cpp

@@ -326,6 +326,9 @@ void Measure::checkMeasure(staff_idx_t staffIdx, bool useGapRests)
                 LOGN("in measure underrun %6d at %d-%d track %zu", tick().ticks(),
                      (currentPos / stretch).ticks(), (expectedPos / stretch).ticks(), track);
                 fillGap(expectedPos, currentPos - expectedPos, track, stretch, useGapRests);
+                if (currentPos >= f) {
+                    break;
+                }
             }
 
             DurationElement* de = cr;

src/engraving/dom/cmd.cpp

@@ -683,9 +683,10 @@ void Score::expandVoice(Segment* s, track_idx_t track)
     //
     Measure* m = s->measure();
     Fraction stick  = ps ? ps->tick() : m->tick();
+    Fraction stretch = staff(track2staff(track))->timeStretch(stick);
     Fraction ticks  = s->tick() - stick;
     if (ticks.isNotZero()) {
-        setRest(stick, track, ticks, false, 0);
+        setRest(stick, track, ticks * stretch, false, 0);
     }
 
     //
@@ -701,7 +702,7 @@ void Score::expandVoice(Segment* s, track_idx_t track)
     if (ticks == m->ticks()) {
         addRest(s, track, TDuration(DurationType::V_MEASURE), 0);
     } else {
-        setRest(s->tick(), track, ticks, false, 0);
+        setRest(s->tick(), track, ticks * stretch, false, 0);
     }
 }