Merge "Hide gr-range-header icon from screen readers to avoid confusion."

polygerrit-ui/app/elements/diff/gr-range-header/gr-range-header.ts

diff --git a/polygerrit-ui/app/elements/diff/gr-range-header/gr-range-header.ts b/polygerrit-ui/app/elements/diff/gr-range-header/gr-range-header.ts
index dcf7236..8ce8ce2 100644
--- a/polygerrit-ui/app/elements/diff/gr-range-header/gr-range-header.ts
+++ b/polygerrit-ui/app/elements/diff/gr-range-header/gr-range-header.ts
@@ -55,7 +55,7 @@
   override render() {
     const icon = this.icon ?? '';
     return html` <div class="row">
-      <iron-icon class="icon" .icon=${icon}></iron-icon>
+      <iron-icon class="icon" .icon=${icon} aria-hidden="true"></iron-icon>
       <slot></slot>
     </div>`;
   }