content [nfc]: Alias package:intl import as intl

This later avoids a collision for the `TextDirection` type,
which is also defined in `dart:ui`.

Author: rajveermalviya

lib/widgets/content.dart

@@ -7,7 +7,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:html/dom.dart' as dom;
-import 'package:intl/intl.dart';
+import 'package:intl/intl.dart' as intl;
 
 import '../api/core.dart';
 import '../api/model/model.dart';
@@ -1310,7 +1310,7 @@ class GlobalTime extends StatelessWidget {
   final GlobalTimeNode node;
   final TextStyle ambientTextStyle;
 
-  static final _dateFormat = DateFormat('EEE, MMM d, y, h:mm a'); // TODO(i18n): localize date
+  static final _dateFormat = intl.DateFormat('EEE, MMM d, y, h:mm a'); // TODO(i18n): localize date
 
   @override
   Widget build(BuildContext context) {