fix(Websocket): Fix an issue where the $conversation_id parameter is invalid

Author: Kuri-su

src/Apis/Message.php

@@ -46,7 +46,7 @@ public function sendText(string $user_id, string $data, string $category = 'CONT
             'id'     => Uuid::uuid4()->toString(),
             'action' => 'CREATE_MESSAGE',
             'params' => [
-                'conversation_id' => $category == 'CONTACT'
+                'conversation_id' => $category == 'CONTACT' && empty($conversation_id)
                     ? $this->uniqueConversationId($user_id, $this->config['client_id'])
                     : $conversation_id,
                 'message_id'      => Uuid::uuid4()->toString(),

src/Container.php

@@ -32,6 +32,7 @@
  * @method  array createUser(string $fullName): array
  * @method  array externalTransactions(string $asset = null, string $public_key = null, int $limit = null, string $offset = null, string $account_name = null): array
  * @method  array createAttachments(): array
+ * @method  array createConversations(string $category, array $participants, string $conversation_id = null): array
  * @method  array mixinNetworkChainsSyncStatus(): array
  * @method  array topAsset(): array
  * @method  array requestAccessToken(string $code): array