Added possibility to take box as ref for debug logging

wicked-waifus-protocol/src/message.rs

@@ -174,6 +174,14 @@ impl Message {
         }
     }
 	
+	pub fn get_payload(&mut self) -> Option<&Box<[u8]>> {
+        match self {
+            Self::Request { payload, .. }
+            | Self::Response { payload, .. }
+            | Self::Push { payload, .. } => payload.as_ref(),
+        }
+    }
+
     pub fn set_payload(&mut self, new_payload: Box<[u8]>) {
         match self {
             Self::Request { payload, .. }