Fixed the whiteline removal for the schemaLocations when already properly migrated

Author: Jenson3210

src/test/java/org/openrewrite/java/migrate/jakarta/JavaxWebXmlToJakartaWebXmlTest.java

@@ -171,7 +171,8 @@ void alreadyMigrated() {
                   <?xml version="1.0" encoding="UTF-8"?>
                   <web-app xmlns="https://jakarta.ee/xml/ns/jakartaee"
                            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-                           xsi:schemaLocation="https://jakarta.ee/xml/ns/jakartaee https://jakarta.ee/xml/ns/jakartaee/web-app_5_3.xsd"
+                           xsi:schemaLocation="https://jakarta.ee/xml/ns/jakartaee
+                            https://jakarta.ee/xml/ns/jakartaee/web-app_5_3.xsd"
                            version="5.0">
                       <display-name>Unit testing</display-name>
                   </web-fragment>