Accept WritableResource as required dependency type as well

Closes gh-15284

spring-beans/src/main/java/org/springframework/beans/support/ResourceEditorRegistrar.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -43,6 +43,7 @@
 import org.springframework.core.io.Resource;
 import org.springframework.core.io.ResourceEditor;
 import org.springframework.core.io.ResourceLoader;
+import org.springframework.core.io.WritableResource;
 import org.springframework.core.io.support.ResourceArrayPropertyEditor;
 import org.springframework.core.io.support.ResourcePatternResolver;
 
@@ -102,6 +103,7 @@ public void registerCustomEditors(PropertyEditorRegistry registry) {
 		ResourceEditor baseEditor = new ResourceEditor(this.resourceLoader, this.propertyResolver);
 		doRegisterEditor(registry, Resource.class, baseEditor);
 		doRegisterEditor(registry, ContextResource.class, baseEditor);
+		doRegisterEditor(registry, WritableResource.class, baseEditor);
 		doRegisterEditor(registry, InputStream.class, new InputStreamEditor(baseEditor));
 		doRegisterEditor(registry, InputSource.class, new InputSourceEditor(baseEditor));
 		doRegisterEditor(registry, File.class, new FileEditor(baseEditor));