Feat: Disable Max_token by default #5283 (#5290)

### What problem does this PR solve?

Feat: Disable Max_token by default #5283

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/utils/chat.ts

@@ -1,4 +1,7 @@
-import { EmptyConversationId } from '@/constants/chat';
+import {
+  ChatVariableEnabledField,
+  EmptyConversationId,
+} from '@/constants/chat';
 import { Message } from '@/interfaces/database/chat';
 import { IMessage } from '@/pages/chat/interface';
 import { omit } from 'lodash';
@@ -57,3 +60,9 @@ export function replaceThinkToSection(text: string = '') {
 
   return result;
 }
+
+export function setInitialChatVariableEnabledFieldValue(
+  field: ChatVariableEnabledField,
+) {
+  return field !== ChatVariableEnabledField.MaxTokensEnabled;
+}