фикс

src/Components/ChatInput/ChatInput.js

@@ -15,10 +15,15 @@ export default class ChatInput extends BaseComponent {
             '.popup_stickers_body',
         );
         this.getConfig().stickers.forEach((sticker) => {
-            sticker.handler = this.getConfig().stickerSendHandler;
             const stickerBlock = new Sticker(stickersBlock, sticker);
             stickerBlock.render();
         });
+        stickersBlock.addEventListener('click', (event) => {
+            const target = event.target;
+
+            const stickerId = parseInt(target.id.match(/\d+$/)[0]);
+            this.getConfig().stickerSendHandler(stickerId);
+        });
     }
 
     render() {

src/Components/Sticker/Sticker.js

@@ -2,14 +2,4 @@ import { BaseComponent } from '../BaseComponent.js';
 
 export default class Sticker extends BaseComponent {
     templateName = 'Sticker';
-
-    render() {
-        super.render();
-
-        this.getParent()
-            .querySelector(`#sticker_img_${this.getConfig().sticker_id}`)
-            .addEventListener('click', () => {
-                this.getConfig().handler(this.getConfig().sticker_id);
-            });
-    }
 }