fix: use WWebJS.getChat for inviteV4 fallback in addParticipants (#201792)

Co-authored-by: Aliyss Snow <33941859+aliyss@users.noreply.github.com>

src/structures/GroupChat.js

@@ -209,13 +209,10 @@ class GroupChat extends Chat {
                         if (
                             rpcResult.name ===
                                 'ParticipantRequestCodeCanBeSent' &&
-                            (userChat =
+                            (userChat = await window.WWebJS.getChat(
-                                window
+                                pWid._serialized,
-                                    .require('WAWebCollections')
+                                { getAsModel: false },
-                                    .Chat.get(pWid) ||
+                            ))
-                                (await window
-                                    .require('WAWebCollections')
-                                    .Chat.find(pWid)))
                         ) {
                             const groupName =
                                 group.formattedTitle || group.name;