The Remove Char Limit for Bing Chat AI script does not work

### AdGuard version

2.12.0.1356 nightly (Mac)

### Browser version

Edge 116.0.1938.69, FF 116.0.3

### OS version

14

### What filters do you have enabled?

_No response_

### What Stealth Mode options do you have enabled?

_No response_

### Support ticket ID

779891

### Issue Details

Steps to reproduce:
1. Install the script (https://greasyfork.org/en/scripts/463347-remove-char-limit-for-bing-chat-ai)
2. Go to the BING AI chat: https://www.bing.com/search?form=MY0291&OCID=MY0291&q=Bing+AI&showconv=1

### Expected Behavior

The scripts removes the character limit

### Actual Behavior

The script does not remove the char limit in the Bing AI chat via AdGuard, but works via Tampermonkey

### Screenshots

Screenshot 1:


### Additional Information

_No response_