[gradle] Explicit ignore empty resource dirs

More info: https://docs.gradle.org/current/userguide/upgrading_version_7.html#gradle_does_not_ignore_empty_directories_for_file_trees_with_skipwhenempty

gradle-plugins/compose/src/main/kotlin/org/jetbrains/compose/resources/PrepareComposeResources.kt

@@ -69,6 +69,7 @@ internal abstract class CopyNonXmlValueResourcesTask : DefaultTask() {
 
     @get:InputFiles
     @get:SkipWhenEmpty
+    @get:IgnoreEmptyDirectories
     val realInputFiles = originalResourcesDir.map { dir ->
         dir.asFileTree.matching { it.exclude("values*/*.xml") }
     }
@@ -97,10 +98,12 @@ internal abstract class CopyNonXmlValueResourcesTask : DefaultTask() {
 internal abstract class PrepareComposeResourcesTask : DefaultTask() {
     @get:InputFiles
     @get:SkipWhenEmpty
+    @get:IgnoreEmptyDirectories
     abstract val convertedXmls: Property<FileTree>
 
     @get:InputFiles
     @get:SkipWhenEmpty
+    @get:IgnoreEmptyDirectories
     abstract val copiedNonXmls: Property<FileTree>
 
     @get:OutputDirectory
@@ -146,6 +149,7 @@ internal abstract class XmlValuesConverterTask : DefaultTask() {
 
     @get:InputFiles
     @get:SkipWhenEmpty
+    @get:IgnoreEmptyDirectories
     val realInputFiles = originalResourcesDir.map { dir ->
         dir.asFileTree.matching { it.include("values*/*.xml") }
     }

gradle-plugins/compose/src/test/kotlin/org/jetbrains/compose/test/tests/integration/ResourcesTest.kt

@@ -584,7 +584,7 @@ class ResourcesTest : GradlePluginTestBase() {
                 check.taskSkipped(":syncPodComposeResourcesForIos")
             }
             gradle(":syncPodComposeResourcesForIos").checks {
-                check.taskSuccessful(":convertXmlValueResourcesForCommonMain")
+                check.taskNoSource(":convertXmlValueResourcesForCommonMain")
                 check.taskSuccessful(":copyNonXmlValueResourcesForCommonMain")
                 check.taskSuccessful(":prepareComposeResourcesTaskForCommonMain")
                 check.taskSkipped(":generateResourceAccessorsForCommonMain")
@@ -599,7 +599,7 @@ class ResourcesTest : GradlePluginTestBase() {
                 check.taskNoSource(":prepareComposeResourcesTaskForAppleMain")
                 check.taskSkipped(":generateResourceAccessorsForAppleMain")
 
-                check.taskSuccessful(":convertXmlValueResourcesForIosMain")
+                check.taskNoSource(":convertXmlValueResourcesForIosMain")
                 check.taskSuccessful(":copyNonXmlValueResourcesForIosMain")
                 check.taskSuccessful(":prepareComposeResourcesTaskForIosMain")
                 check.taskSkipped(":generateResourceAccessorsForIosMain")