Convert Data.Audio to data class, and implement equals and hashCode as suggested.

libraries/voicerecorder/impl/src/main/kotlin/io/element/android/libraries/voicerecorder/impl/audio/Audio.kt

@@ -17,10 +17,28 @@
 package io.element.android.libraries.voicerecorder.impl.audio
 
 sealed interface Audio {
-    class Data(
+    data class Data(
         val readSize: Int,
         val buffer: ShortArray,
-    ) : Audio
+    ) : Audio {
+        override fun equals(other: Any?): Boolean {
+            if (this === other) return true
+            if (javaClass != other?.javaClass) return false
+
+            other as Data
+
+            if (readSize != other.readSize) return false
+            if (!buffer.contentEquals(other.buffer)) return false
+
+            return true
+        }
+
+        override fun hashCode(): Int {
+            var result = readSize
+            result = 31 * result + buffer.contentHashCode()
+            return result
+        }
+    }
 
     data class Error(
         val audioRecordErrorCode: Int