add SN Quality

rs-matter/src/data_model/cluster_on_off.rs

@@ -54,7 +54,7 @@ pub const CLUSTER: Cluster<'static> = Cluster {
         Attribute::new(
             AttributesDiscriminants::OnOff as u16,
             Access::RV,
-            Quality::PERSISTENT,
+            Quality::SN,
         ),
     ],
     commands: &[

rs-matter/src/data_model/objects/attribute.rs

@@ -76,6 +76,8 @@ bitflags! {
         const PERSISTENT = 0x02; // Short: N
         const FIXED = 0x04;      // Short: F
         const NULLABLE = 0x08;   // Short: X
+
+        const SN = Self::SCENE.bits | Self::PERSISTENT.bits;
     }
 }