Merge branch 'attribute_member_order' into 'main'

components/esp_matter: reorder member in _attribute_t struct for memory optimization

See merge request app-frameworks/esp-matter!954

Author: chshu

components/esp_matter/esp_matter_core.cpp

@@ -159,9 +159,9 @@ struct _attribute_base_t {
 
 struct _attribute_t : public _attribute_base_t {
     uint32_t cluster_id; // This struct is for attributes not managed internally.
-    uint16_t endpoint_id;
     esp_matter_attr_val_t val;
     attribute::callback_t override_callback;
+    uint16_t endpoint_id;
 };
 
 typedef struct _command {