Removed "Unsupported browser" warning for Chromium-based Edge

no issue

- Edge is dropping it's own engine and switching to Chromium which has full support in the editor

ghost/admin/app/routes/editor.js

@@ -27,7 +27,7 @@ export default AuthenticatedRoute.extend(ShortcutsRoute, {
         this._super(...arguments);
 
         // edge has known issues
-        if (this.userAgent.browser.isEdge) {
+        if (this.userAgent.browser.isEdge && this.userAgent.parser.getEngine().name === 'EdgeHTML') {
             this.notifications.showAlert(
                 htmlSafe('Microsoft Edge is not currently supported. Please switch to <a href="https://ghost.org/downloads/" target="_blank" rel="noopener">Ghost Desktop</a> or a recent version of Chrome/Firefox/Safari.'),
                 {type: 'info', key: 'koenig.browserSupport'}