fixup! Provide federation values when joining a room in the external signaling

Signed-off-by: Daniel Calviño Sánchez <danxuliu@gmail.com>

app/src/main/java/com/nextcloud/talk/models/json/websocket/RoomFederationWebSocketMessage.kt

@@ -0,0 +1,28 @@
+/*
+ * Nextcloud Talk - Android Client
+ *
+ * SPDX-FileCopyrightText: 2024 Daniel Calviño Sánchez <danxuliu@gmail.com>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+package com.nextcloud.talk.models.json.websocket
+
+import android.os.Parcelable
+import com.bluelinelabs.logansquare.annotation.JsonField
+import com.bluelinelabs.logansquare.annotation.JsonObject
+import kotlinx.parcelize.Parcelize
+
+@Parcelize
+@JsonObject
+class RoomFederationWebSocketMessage(
+    @JsonField(name = ["signaling"])
+    var signaling: String? = null,
+    @JsonField(name = ["url"])
+    var url: String? = null,
+    @JsonField(name = ["roomid"])
+    var roomid: String? = null,
+    @JsonField(name = ["token"])
+    var token: String? = null
+) : Parcelable {
+    // This constructor is added to work with the 'com.bluelinelabs.logansquare.annotation.JsonObject'
+    constructor() : this(null, null, null, null)
+}