feat(docs-infra): add transition on editor wrapper (angular#54128)

Add the smooth animation when height of the container is changing

PR Close angular#54128

Author: vladboisa

adev/src/app/editor/code-editor/code-editor.component.scss

@@ -122,6 +122,7 @@
   // adjust height for terminal tabs
   // so that scroll bar & content do not render under tabs
   height: calc(100% - 49px);
+  transition: height 0.3s ease;
 
   &-hidden {
     display: none;