fix(textarea): new-line in firefox (#17176)

fixes #17155

Author: manucorporat

core/src/components/textarea/textarea.scss

@@ -84,11 +84,12 @@
   outline: none;
 
   background: transparent;
-
   box-sizing: border-box;
   resize: none;
   appearance: none;
 
+  white-space: pre-wrap;
+
   &::placeholder {
     color: var(--placeholder-color);