Use configuration name rather than referential identity in GradleProject configurationsExtendingFrom()

Author: sambsnyd

rewrite-gradle/src/main/java/org/openrewrite/gradle/AddPlatformDependency.java

@@ -76,7 +76,7 @@ public class AddPlatformDependency extends ScanningRecipe<AddPlatformDependency.
 
     @Option(displayName = "Configuration",
             description = "A configuration to use when it is not what can be inferred from usage. Most of the time this will be left empty, but " +
-                    "is used when adding a new as of yet unused dependency.",
+                    "is used when adding a new, as yet unused, dependency.",
             example = "implementation",
             required = false)
     @Nullable

rewrite-gradle/src/main/java/org/openrewrite/gradle/marker/GradleProject.java

@@ -80,6 +80,7 @@ public class GradleProject implements Marker, Serializable {
     Map<String, GradleDependencyConfiguration> nameToConfiguration = emptyMap();
 
     @Builder.Default
+    @With
     GradleBuildscript buildscript = new GradleBuildscript(randomId(), emptyList(), emptyMap());
 
     public GradleBuildscript getBuildscript() {
@@ -139,7 +140,7 @@ public List<GradleDependencyConfiguration> configurationsExtendingFrom(
                 continue;
             }
             for (GradleDependencyConfiguration extendsFrom : configuration.getExtendsFrom()) {
-                if (extendsFrom == parentConfiguration) {
+                if (extendsFrom.getName().equals(parentConfiguration.getName())) {
                     result.add(configuration);
                     if (transitive) {
                         result.addAll(configurationsExtendingFrom(configuration, true));