fix: Compute murmur3 hash with dictionary input correctly (apache#433)

* fix: Handle compute murmur3 hash with dictionary input correctly

* add unit tests

* spotless apply

* apply scala fix

* address comment

* another style issue

* Update spark/src/test/scala/org/apache/comet/CometExpressionSuite.scala

Co-authored-by: Liang-Chi Hsieh <viirya@gmail.com>

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Co-authored-by: Liang-Chi Hsieh <viirya@gmail.com>