phone number editing controls are functional

src/lib/strformat.js

@@ -99,3 +99,12 @@ export function letterTileColorId(userId) {
 export function idToColorClass(id, light, fg) {
   return (light ? 'lt-' : 'dk-') + (fg ? 'fg-' : 'bg-') + letterTileColorId(id);
 }
+
+// Takes ISO Alpha-2 country code, like 'US' and converts it to a flag emoji.
+export function flagEmoji(countryCode) {
+  const codePoints = countryCode
+    .toUpperCase()
+    .split('')
+    .map(char => 0x1F1A5 + char.charCodeAt());
+  return String.fromCodePoint(...codePoints);
+}

src/widgets/search-contacts.jsx

@@ -30,7 +30,7 @@ export default class SearchContacts extends React.PureComponent {
 
   handleSearch(e) {
     e.preventDefault();
-    var query = this.state.search.trim();
+    const query = this.state.search.trim();
     this.setState({edited: (query.length > 0)});
     this.props.onSearchContacts(query.length > 0 ? query : Tinode.DEL_CHAR);
   }

src/widgets/topic-security.jsx

@@ -2,10 +2,6 @@
 import React from 'react';
 import { FormattedMessage, defineMessages, injectIntl } from 'react-intl';
 
-import InPlaceEdit from './in-place-edit.jsx';
-
-import { NO_ACCESS_MODE } from '../config.js';
-
 const messages = defineMessages({
   clear_messages: {
     id: 'action_clear_messages',