fix: incorrect enc msg detection

src/Utils/legacy-msgs.ts

@@ -30,7 +30,9 @@ export const decodeWAMessage = (
         if(typeof data === 'string' || !possiblyEnc) {
             json = JSON.parse(data.toString()) // parse the JSON
         } else {
-            
+            try {
+                json = JSON.parse(data.toString())
+            } catch {
                 const { macKey, encKey } = auth || {}
                 if (!macKey || !encKey) {
                     throw new Boom('recieved encrypted buffer when auth creds unavailable', { data: message, statusCode: DisconnectReason.badSession })
@@ -66,6 +68,7 @@ export const decodeWAMessage = (
                 }
             }
         }   
+    }
     return [messageTag, json, tags] as const
 }