Fix colors.xml creation for dark mode by adding recursive directory creation

Co-authored-by: ujas-m-simformsolutions <76939001+ujas-m-simformsolutions@users.noreply.github.com>

Author: Copilot

lib/cmd/android_splash.dart

@@ -210,7 +210,7 @@ Future<void> createColors({
     await xmlFile.writeAsString(updatedXmlString);
   } else {
     /// If `colors.xml` file is not there, then create one
-    final xml = await xmlFile.create();
+    final xml = await xmlFile.create(recursive: true);
     final builder = XmlBuilder();
     builder.processing(AndroidStrings.xml, AndroidStrings.xmlVersion);