fix: fix case issue

tests/script/tsim/parser/fill.sim

@@ -1075,16 +1075,11 @@ if $loop_count == 20 then
   return -1
 endi
 
-if $data00 != 20026 then
+if $data00 != 40052 then
   print =====data00=$data00
   goto loop0
 endi
 
-if $data10 != 20026 then
-  print =====data10=$data10
-  goto loop0
-endi
-
 sql select _wstart, count(a)  from  st where ts >= 1648712201000 and ts <= 1648732226000 partition by tbname interval(1s) fill(prev);
 
 if $rows != 40052 then