Issue #3057370 by Wim Leers, seanB: MediaLibraryState::fromRequest() may...

Issue #3057370 by Wim Leers, seanB: MediaLibraryState::fromRequest() may result in invalid MediaLibraryState::create() call

core/modules/media_library/src/MediaLibraryState.php

@@ -93,7 +93,7 @@ public static function fromRequest(Request $request) {
     // all validation runs.
     $state = static::create(
       $query->get('media_library_opener_id'),
-      $query->get('media_library_allowed_types'),
+      $query->get('media_library_allowed_types', []),
       $query->get('media_library_selected_type'),
       $query->get('media_library_remaining')
     );

core/modules/media_library/tests/src/Kernel/MediaLibraryStateTest.php

@@ -281,6 +281,15 @@ public function testFromRequest(array $query_overrides, $exception_expected) {
     $this->assertInstanceOf(MediaLibraryState::class, $state);
   }
 
+  /**
+   * @covers ::fromRequest
+   */
+  public function testFromRequestQueryLess() {
+    $this->setExpectedException(\InvalidArgumentException::class, 'The opener ID parameter is required and must be a string.');
+    $state = MediaLibraryState::fromRequest(new Request());
+    $this->assertInstanceOf(MediaLibraryState::class, $state);
+  }
+
   /**
    * Data provider for testFromRequest().
    *