merge tootsuite prs #5895 and #5889 into glitch flavour

app/javascript/flavours/glitch/components/autosuggest_textarea.js

@@ -209,6 +209,7 @@ export default class AutosuggestTextarea extends ImmutablePureComponent {
             onBlur={this.onBlur}
             onPaste={this.onPaste}
             style={style}
+	    aria-autocomplete='list'
           />
         </label>
 

app/javascript/flavours/glitch/styles/components/index.scss

@@ -4854,6 +4854,10 @@ noscript {
     input {
       width: 100%;
       margin-bottom: 6px;
+
+      &:focus {
+        outline: 0;
+      }
     }
   }