Specifying when height should be 0

Author: rugoncalves

core/src/components/textarea/textarea.ionic.scss

@@ -29,9 +29,9 @@
 
 // Setting height to 0 allows it to collapse in height
 // instead of growing above the min height by default.
-// .textarea-wrapper-inner {
-//   height: 0;
-// }
+:host(:not(rows)) .textarea-wrapper-inner {
+  height: 0;
+}
 
 :host .native-wrapper::after  {
   @include globals.padding(0);