add contextual serializer to DataRequest and Request to avoid exceptions

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/abstracts/Request.kt

@@ -5,12 +5,13 @@ import com.github.insanusmokrassar.TelegramBotAPI.utils.toJsonWithoutNulls
 import kotlinx.serialization.*
 import kotlinx.serialization.json.JsonObject
 
+@Serializable(RequestSerializer::class)
 interface Request<T: Any> {
     fun method(): String
     fun resultSerializer(): KSerializer<T>
-    @ImplicitReflectionSerializer
-    fun json(): JsonObject = toJsonWithoutNulls()
+    fun json(): JsonObject = toJsonWithoutNulls(RequestSerializer)
 }
+object RequestSerializer : KSerializer<Request<*>> by ContextSerializer(Request::class)
 
 fun <T : Any> StringFormat.extractResult(
     from: String,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/send/media/base/DataRequest.kt

@@ -1,5 +1,11 @@
 package com.github.insanusmokrassar.TelegramBotAPI.requests.send.media.base
 
 import com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts.SimpleRequest
+import kotlinx.serialization.ContextSerializer
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.Serializable
 
-interface DataRequest<T: Any> : SimpleRequest<T>
+@Serializable(DataRequestSerializer::class)
+interface DataRequest<T: Any> : SimpleRequest<T>
+
+object DataRequestSerializer : KSerializer<DataRequest<*>> by ContextSerializer(DataRequest::class)