fix/TD-10399 <fix> fix error tips because of overflowing of convert time precision

src/os/src/detail/osTime.c

@@ -343,7 +343,7 @@ int64_t convertTimePrecision(int64_t time, int32_t fromPrecision, int32_t toPrec
   assert(toPrecision == TSDB_TIME_PRECISION_MILLI ||
          toPrecision == TSDB_TIME_PRECISION_MICRO ||
          toPrecision == TSDB_TIME_PRECISION_NANO);
-  double tempResult = time;
+  double tempResult = (double)time;
   switch(fromPrecision) {
     case TSDB_TIME_PRECISION_MILLI: {
       switch (toPrecision) {