Use correct method to check encoded resource path

Closes: spring-projectsgh-33568
(cherry picked from commit 94c0482)

spring-webflux/src/main/java/org/springframework/web/reactive/function/server/PathResourceLookupFunction.java

@@ -213,7 +213,7 @@ else if (resource instanceof ClassPathResource) {
 			return true;
 		}
 		locationPath = (locationPath.endsWith("/") || locationPath.isEmpty() ? locationPath : locationPath + "/");
-		return (resourcePath.startsWith(locationPath) && !isInvalidEncodedInputPath(resourcePath));
+		return (resourcePath.startsWith(locationPath) && !isInvalidEncodedResourcePath(resourcePath));
 	}
 
 	private boolean isInvalidEncodedResourcePath(String resourcePath) {