ServerRequest.path() should return raw path

After this commit, ServerRequest.path() returns the raw, unencoded path,
as that is expected by the PathPatternParser.

spring-webflux/src/test/java/org/springframework/web/reactive/function/server/RequestPredicatesTests.java

@@ -95,6 +95,17 @@ public class RequestPredicatesTests {
 		assertFalse(predicate.test(request));
 	}
 
+	@Test
+	public void pathEncoded() throws Exception {
+		URI uri = URI.create("http://localhost/foo%20bar");
+		RequestPredicate predicate = RequestPredicates.path("/foo bar");
+		MockServerRequest request = MockServerRequest.builder().uri(uri).build();
+		assertTrue(predicate.test(request));
+
+		request = MockServerRequest.builder().build();
+		assertFalse(predicate.test(request));
+	}
+
 	@Test
 	public void pathPredicates() throws Exception {
 		PathPatternParser parser = new PathPatternParser();