Use noreferrer in addition to noopener for edge case browsers

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

src/components/views/context_menus/MessageContextMenu.js

@@ -420,7 +420,7 @@ export default createReactClass({
                 onClick={this.onPermalinkClick}
                 href={permalink}
                 target="_blank"
-                rel="noopener"
+                rel="noreferrer noopener"
             >
                 { mxEvent.isRedacted() || mxEvent.getType() !== 'm.room.message'
                     ? _t('Share Permalink') : _t('Share Message') }
@@ -445,7 +445,7 @@ export default createReactClass({
                     element="a"
                     className="mx_MessageContextMenu_field"
                     target="_blank"
-                    rel="noopener"
+                    rel="noreferrer noopener"
                     onClick={this.closeMenu}
                     href={mxEvent.event.content.external_url}
                 >

src/components/views/context_menus/TopLeftMenu.js

@@ -68,10 +68,10 @@ export default class TopLeftMenu extends React.Component {
                 {_t(
                     "<a>Upgrade</a> to your own domain", {},
                     {
-                        a: sub => <a href={hostingSignupLink} target="_blank" rel="noopener" tabIndex={-1}>{sub}</a>,
+                        a: sub => <a href={hostingSignupLink} target="_blank" rel="noreferrer noopener" tabIndex={-1}>{sub}</a>,
                     },
                 )}
-                <a href={hostingSignupLink} target="_blank" rel="noopener" role="presentation" aria-hidden={true} tabIndex={-1}>
+                <a href={hostingSignupLink} target="_blank" rel="noreferrer noopener" role="presentation" aria-hidden={true} tabIndex={-1}>
                     <img src={require("../../../../res/img/external-link.svg")} width="11" height="10" alt='' />
                 </a>
             </div>;