Merge pull request #3929 from overleaf/as-block-ie-config

Add IE11 to unsupported browser config

GitOrigin-RevId: 0a9c5a736a842ec8ccddf9ce7feefec7ac5a2b35

services/web/config/settings.defaults.coffee

@@ -756,3 +756,7 @@ module.exports = settings =
 			'app/views/project/list',
 		]
 	}
+
+	unsupportedBrowsers: {
+		ie: '<=11'
+	}