Don't set the default author if maxAuthors === 0

Author: brandonkelly

src/controllers/EntriesController.php

@@ -111,11 +111,14 @@ public function actionCreate(?string $section = null): ?Response
         $entry = Craft::createObject(Entry::class);
         $entry->siteId = $site->id;
         $entry->sectionId = $section->id;
-        $entry->setAuthorIds(
-            $this->request->getQueryParam('authorIds') ??
-            $this->request->getQueryParam('authorId') ??
-            $user->id
-        );
+
+        if ($section->maxAuthors !== 0) {
+            $entry->setAuthorIds(
+                $this->request->getQueryParam('authorIds') ??
+                $this->request->getQueryParam('authorId') ??
+                $user->id
+            );
+        }
 
         // Type
         if (($typeHandle = $this->request->getParam('type')) !== null) {

src/elements/Entry.php

@@ -3015,10 +3015,11 @@ private function maybeSetDefaultAttributes(): void
             return;
         }
 
+        $section = $this->getSection();
         if (
-            empty($this->getAuthors()) &&
-            !isset($this->fieldId) &&
-            $this->getSection()->type !== Section::TYPE_SINGLE
+            $section?->type !== Section::TYPE_SINGLE &&
+            $section?->maxAuthors !== 0 &&
+            empty($this->getAuthors())
         ) {
             $user = Craft::$app->getUser()->getIdentity();
             if ($user) {