Improve performance of `translate` expression

What is the problem the feature request solves?

CometStringExpressionBenchmark shows poor performance:

OpenJDK 64-Bit Server VM 11.0.22+7-LTS on Mac OS X 14.6.1
Apple M3 Max
translate:                                Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------------------------------
Spark                                                12             45          40          0.1       11898.4       1.0X
Comet (Scan)                                         14             82          39          0.1       13301.5       0.9X
Comet (Scan + Exec)                                  96            159          38          0.0       93534.9       0.1X

Describe the potential solution

Review benchmark to make sure it is valid, then try and optimize.

Additional context

No response