UX: icon instead of text for hiding mobile preview (#12625)

UX: icon instead of text for hiding mobile preview (#12625)

diff --git a/app/assets/javascripts/discourse/app/templates/composer.hbs b/app/assets/javascripts/discourse/app/templates/composer.hbs
index 1c3aa3b..3547336 100644
--- a/app/assets/javascripts/discourse/app/templates/composer.hbs
+++ b/app/assets/javascripts/discourse/app/templates/composer.hbs
@@ -204,7 +204,7 @@
             </a>
 
             {{#if showPreview}}
-              {{d-button action=(action "togglePreview") class="hide-preview" label="composer.hide_preview"}}
+              {{d-button action=(action "togglePreview") class="hide-preview" ariaLabel="composer.hide_preview" icon="pencil-alt"}}
             {{/if}}
           {{else}}
             <a href {{action "togglePreview"}} class="toggle-preview">{{html-safe toggleText}}</a>

GitHub sha: cdd5b604

This commit appears in #12625 which was approved by CvX and pmusaraj. It was merged by awesomerobot.