Ensure kotlinx.datetime.LocalTime exists before adding the serializer (mongodb#1530)

LocalTime was added in kotlinx.datetime v0.4.0 and won't be available if older versions of kotlinx datetime are on the classpath. JAVA-5641

Author: rozza

bson-kotlinx/src/main/kotlin/org/bson/codecs/kotlinx/DateTimeSerializers.kt

@@ -54,11 +54,16 @@ import org.bson.codecs.kotlinx.utils.SerializationModuleUtils.isClassAvailable
 public val dateTimeSerializersModule: SerializersModule by lazy {
  var module = SerializersModule {}
  if (isClassAvailable("kotlinx.datetime.Instant")) {
- module +=
- InstantAsBsonDateTime.serializersModule +
- LocalDateAsBsonDateTime.serializersModule +
- LocalDateTimeAsBsonDateTime.serializersModule +
- LocalTimeAsBsonDateTime.serializersModule
+ module += InstantAsBsonDateTime.serializersModule
+ }
+ if (isClassAvailable("kotlinx.datetime.LocalDate")) {
+ module += LocalDateAsBsonDateTime.serializersModule
+ }
+ if (isClassAvailable("kotlinx.datetime.LocalDateTime")) {
+ module += LocalDateTimeAsBsonDateTime.serializersModule
+ }
+ if (isClassAvailable("kotlinx.datetime.LocalTime")) {
+ module += LocalTimeAsBsonDateTime.serializersModule
  }
  module
 }