Fixes after successful tests with Atlas dev

Author: GromNaN

src/Collection.php

@@ -1020,7 +1020,7 @@ public function listIndexes(array $options = [])
      * @throws InvalidArgumentException for parameter/option parsing errors
      * @throws DriverRuntimeException for other driver errors (e.g. connection errors)
      */
-    public function listSearchIndexes(string $name, array $options = []): Traversable
+    public function listSearchIndexes(?string $name = null, array $options = []): Traversable
     {
         $filter = [];
         if ($name) {

src/Operation/CreateSearchIndexes.php

@@ -106,6 +106,6 @@ private function executeCommand(Server $server): void
             'indexes' => $this->indexes,
         ];
 
-        $server->executeWriteCommand($this->databaseName, new Command($cmd));
+        $server->executeCommand($this->databaseName, new Command($cmd));
     }
 }

src/Operation/UpdateSearchIndex.php

@@ -62,7 +62,7 @@ public function __construct(string $databaseName, string $collectionName, string
             throw new InvalidArgumentException('Index name cannot be empty');
         }
 
-        if (! is_array($definition) || ! is_object($definition)) {
+        if (! is_array($definition) && ! is_object($definition)) {
             throw InvalidArgumentException::invalidType('$definition', $definition, 'array or object');
         }