LighthouseIntegration: Fix finding the operation definition node on the query (#883)

* Fix finding the operation definition node on the query

* Fix baseline

Author: stayallive

phpstan-baseline.neon

@@ -135,6 +135,11 @@ parameters:
 			count: 1
 			path: src/Sentry/Laravel/Tracing/Integrations/LighthouseIntegration.php
 
+		-
+			message: "#^Method Sentry\\\\Laravel\\\\Tracing\\\\Integrations\\\\LighthouseIntegration\\:\\:extractOperationDefinitionNode\\(\\) has invalid return type GraphQL\\\\Language\\\\AST\\\\OperationDefinitionNode\\.$#"
+			count: 1
+			path: src/Sentry/Laravel/Tracing/Integrations/LighthouseIntegration.php
+
 		-
 			message: "#^Parameter \\$endExecution of method Sentry\\\\Laravel\\\\Tracing\\\\Integrations\\\\LighthouseIntegration\\:\\:handleEndExecution\\(\\) has invalid type Nuwave\\\\Lighthouse\\\\Events\\\\EndExecution\\.$#"
 			count: 1
@@ -150,6 +155,11 @@ parameters:
 			count: 1
 			path: src/Sentry/Laravel/Tracing/Integrations/LighthouseIntegration.php
 
+		-
+			message: "#^Parameter \\$query of method Sentry\\\\Laravel\\\\Tracing\\\\Integrations\\\\LighthouseIntegration\\:\\:extractOperationDefinitionNode\\(\\) has invalid type GraphQL\\\\Language\\\\AST\\\\DocumentNode\\.$#"
+			count: 1
+			path: src/Sentry/Laravel/Tracing/Integrations/LighthouseIntegration.php
+
 		-
 			message: "#^Parameter \\$startExecution of method Sentry\\\\Laravel\\\\Tracing\\\\Integrations\\\\LighthouseIntegration\\:\\:handleStartExecution\\(\\) has invalid type Nuwave\\\\Lighthouse\\\\Events\\\\StartExecution\\.$#"
 			count: 1

src/Sentry/Laravel/Tracing/Integrations/LighthouseIntegration.php

@@ -125,10 +125,9 @@ public function handleStartExecution(StartExecution $startExecution): void
             return;
         }
 
-        /** @var \GraphQL\Language\AST\OperationDefinitionNode|null $operationDefinition */
-        $operationDefinition = $startExecution->query->definitions[0] ?? null;
+        $operationDefinition = $this->extractOperationDefinitionNode($startExecution->query);
 
-        if (!$operationDefinition instanceof OperationDefinitionNode) {
+        if ($operationDefinition === null) {
             return;
         }
 
@@ -239,6 +238,17 @@ private function extractOperationNames(OperationDefinitionNode $operation): arra
         return $selectionSet;
     }
 
+    private function extractOperationDefinitionNode(DocumentNode $query): ?OperationDefinitionNode
+    {
+        foreach ($query->definitions as $definition) {
+            if ($definition instanceof OperationDefinitionNode) {
+                return $definition;
+            }
+        }
+
+        return null;
+    }
+
     private function isApplicable(): bool
     {
         if (!class_exists(StartRequest::class) || !class_exists(StartExecution::class)) {