Revert "Fix issue with error parsing cuz in non manticore like respon…

…ses it may contain array"

This reverts commit 495b9b4.

src/ManticoreSearch/Response.php

@@ -39,9 +39,9 @@ class Response {
 	protected bool $hasData = false;
 
 	/**
-	 * @var string|array<string,string> $error
+	 * @var string $error
 	 */
-	protected string|array $error = '';
+	protected string $error = '';
 
 	/**
 	 * @var string $warning
@@ -69,9 +69,9 @@ private function __construct(
 	}
 
 	/**
-	 * @return null|string|array<string,string>
+	 * @return ?string
 	 */
-	public function getError(): null|string|array {
+	public function getError(): ?string {
 		return $this->error;
 	}
 

src/Task/TaskResult.php

@@ -70,10 +70,7 @@ public static function fromResponse(Response $response): static {
 		}
 
 		if ($response->hasError()) {
-			// In this case error only string and may not be array, cuz array is only for raw (non manticore)
-			/** @var string $error */
-			$error = $response->getError() ?? '';
-			return new static(null, $error, $response->getWarning() ?? '');
+			return new static(null, $response->getError() ?? '', $response->getWarning() ?? '');
 		}
 
 		// No error

test/BuddyCore/GetManticoreResponseTest.php

@@ -94,7 +94,6 @@ public function testFailResponsesToJSONRequest(): void {
 		$this->setUpServer(true);
 		$query = '{"index":"test","id":1,"doc":{"col1" : 1}}';
 		$mntResp = Response::fromBody(MockManticoreServer::JSON_INSERT_RESPONSE['fail']);
-
 		$this->assertEquals(
 			$mntResp,
 			$this->httpClient->sendRequest($query, ManticoreEndpoint::Insert->value)

test/src/Lib/SocketError.php

@@ -16,7 +16,7 @@
 
 final class SocketError extends Exception {
 
-	public function __construct(string $message = null, int $code = 0, ?Throwable $previous = null) {
+	public function __construct(?string $message = null, int $code = 0, ?Throwable $previous = null) {
 		if (isset($message)) {
 			$message .= ': ';
 		}