fix: 🐛 Fix message._raw_data to be updated when the message is updated

CHANGELOG.md

@@ -105,6 +105,8 @@ These changes are available on the `master` branch, but have not yet been releas
   ([#2746])(https://github.com/Pycord-Development/pycord/pull/2746)
 - Updated `valid_locales` to support `in` and `es-419`.
   ([#2767])(https://github.com/Pycord-Development/pycord/pull/2767)
+- Fixed `Message._raw_data` do be updated when the message is edited.
+  ([#2778](https://github.com/Pycord-Development/pycord/pull/2778))
 
 ### Changed
 

discord/message.py

@@ -1024,6 +1024,7 @@ def _update(self, data):
                 continue
             else:
                 handler(self, value)
+                self._raw_data[key] = value
 
         # clear the cached properties
         for attr in self._CACHED_SLOTS:

discord/state.py

@@ -776,6 +776,8 @@ def parse_message_update(self, data) -> None:
         message = self._get_message(raw.message_id)
         if message is not None:
             older_message = copy.copy(message)
+            # Copy the raw data because copy.copy will keep references to the same object
+            message._raw_data = copy.deepcopy(message._raw_data)
             raw.cached_message = older_message
             self.dispatch("raw_message_edit", raw)
             message._update(data)