do not call fillInStackTrace in exception constructor in happy path

src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/WsConnection.kt

@@ -401,7 +401,8 @@ open class WsConnection(
             JsonRpcError(
                 RpcResponseError.CODE_INTERNAL_ERROR,
                 "Response not received from WebSocket"
-            )
+            ),
+            false
         )
 
         val response = Flux.from(rpcReceive.asFlux())

src/main/kotlin/io/emeraldpay/dshackle/upstream/rpcclient/JsonRpcException.kt

@@ -19,8 +19,9 @@ import io.emeraldpay.etherjar.rpc.RpcException
 
 class JsonRpcException(
     val id: JsonRpcResponse.Id,
-    val error: JsonRpcError
-) : Exception(error.message) {
+    val error: JsonRpcError,
+    writableStackTrace: Boolean = true
+) : Exception(error.message, null, true, writableStackTrace) {
 
     constructor(id: Int, message: String) : this(JsonRpcResponse.NumberId(id), JsonRpcError(-32005, message))