Fixed AbstractAudioData not serializing some properties.

core/src/commonMain/kotlin/cn/rdlevel/rdkt/core/data/sound/AudioData.kt

@@ -10,6 +10,7 @@ import kotlin.jvm.JvmOverloads
 /**
  * Represents an abstraction of audio and its configuration.
  */
+@Serializable
 public sealed class AbstractAudioData {
     /**
      * The file name or built-in name of the audio.

core/src/commonTest/kotlin/cn/rdlevel/rdkt/core/test/SetGameSoundEventTest.kt

@@ -19,7 +19,7 @@ class SetGameSoundEventTest {
         }
 
         val event: Event = SetGameSoundEvent(
-            SmallMistakeAudioGroup(subGroupAudioDataOf("bar"))
+            SmallMistakeAudioGroup(subGroupAudioDataOf("bar", false, 50, 50, 50))
         ).apply {
             bar = 114
             y = 514