Use Throwable instead of \Exception

[MAILPOET-4463]

mailpoet/lib/Automation/Engine/Control/StepHandler.php

@@ -124,14 +124,14 @@ class StepHandler {
       try {
         $this->stepRunners[$stepType]->run($step, $workflow, $workflowRun);
         $log->markCompletedSuccessfully();
-      } catch (\Exception $e) {
+      } catch (Throwable $e) {
         $log->markFailed();
         $log->addError($e);
         throw $e;
       } finally {
         try {
           $this->hooks->doWorkflowStepAfterRun($log);
-        } catch (Exception $e) {
+        } catch (Throwable $e) {
           $log->addError($e);
         }
         $this->workflowRunLogStorage->createWorkflowRunLog($log);

mailpoet/lib/Automation/Engine/Data/WorkflowRunLog.php

@@ -4,6 +4,7 @@ namespace MailPoet\Automation\Engine\Data;
 
 use DateTimeImmutable;
 use MailPoet\Automation\Engine\Utils\Json;
+use Throwable;
 
 class WorkflowRunLog {
 
@@ -131,13 +132,13 @@ class WorkflowRunLog {
     $this->completedAt = new DateTimeImmutable();
   }
 
-  public function addError(\Exception $exception, string $userFacingMessage = ''): void {
+  public function addError(Throwable $error, string $userFacingMessage = ''): void {
     $error = [
-      'message' => $exception->getMessage(),
+      'message' => $error->getMessage(),
-      'exceptionClass' => get_class($exception),
+      'errorClass' => get_class($error),
       'userFacingMessage' => $userFacingMessage,
-      'code' => $exception->getCode(),
+      'code' => $error->getCode(),
-      'trace' => $exception->getTrace(),
+      'trace' => $error->getTrace(),
     ];
 
     $this->errors[] = $error;

mailpoet/tests/integration/Automation/Engine/Data/WorkflowRunLogTest.php

@@ -143,7 +143,7 @@ class WorkflowRunLogTest extends \MailPoetTest {
     $error = $log->getErrors()[0];
     expect($error['message'])->equals('error');
     expect($error['code'])->equals(12345);
-    expect($error['exceptionClass'])->equals('Exception');
+    expect($error['errorClass'])->equals('Exception');
     expect($error['trace'])->array();
     expect(count($error['trace']))->greaterThan(0);
   }