feat: improved textarea autosize handling

assets/controllers/textarea_autosize_controller.js

@@ -2,11 +2,12 @@ import { Controller } from '@hotwired/stimulus'
 
 export default class extends Controller {
     connect() {
-        this.element.style.height = 'auto'
+        this.element.rows = 1
         this.resize()
     }
 
     resize() {
+        this.element.style.height = 'auto'
         this.element.style.height = `${this.element.scrollHeight}px`
     }
 }