update typings for fetchMessages changes

index.d.ts

@@ -930,10 +930,9 @@ declare namespace WAWebJS {
 
     export interface MessageSearchOptions {
         /**
-         * The amount of messages to return.
+         * The amount of messages to return. If no limit is specified, the available messages will be returned.
          * Note that the actual number of returned messages may be smaller if there aren't enough messages in the conversation. 
          * Set this to Infinity to load all messages.
-         * @default 50
          */
         limit?: number
     }

src/structures/Chat.js

@@ -181,7 +181,7 @@ class Chat extends Base {
             const chat = window.Store.Chat.get(chatId);
             let msgs = chat.msgs.models.filter(msgFilter);
 
-            if (searchOptions && searchOptions.limit) {
+            if (searchOptions && searchOptions.limit > 0) {
                 while (msgs.length < searchOptions.limit) {
                     const loadedMessages = await chat.loadEarlierMsgs();
                     if (!loadedMessages) break;