[upstreaming] Revert NFC change to return in ThreadPlanStepInRange::DefaultShouldStopHereCallback

I'll upstream this change.

Author: Teemperor

lldb/source/Target/ThreadPlanStepInRange.cpp

@@ -467,7 +467,7 @@ bool ThreadPlanStepInRange::DefaultShouldStopHereCallback(
   should_stop_here = ThreadPlanShouldStopHere::DefaultShouldStopHereCallback(
       current_plan, flags, operation, status, baton);
   if (!should_stop_here)
-    return false;
+    return should_stop_here;
 
   if (should_stop_here && current_plan->GetKind() == eKindStepInRange &&
       operation == eFrameCompareYounger) {