channel_colors [nfc]: Rename files to channel_colors

Fixes parts of zulip#631

Author: Khader-1

lib/widgets/stream_colors.dart renamed to lib/widgets/channel_colors.dart

@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 import '../api/model/model.dart';
 import 'content.dart';
 import 'emoji_reaction.dart';
-import 'stream_colors.dart';
+import 'channel_colors.dart';
 import 'text.dart';
 
 /// In debug mode, controls whether the UI responds to

lib/widgets/theme.dart

@@ -1,7 +1,7 @@
 
 import 'package:flutter/material.dart';
 
-import 'stream_colors.dart';
+import 'channel_colors.dart';
 import 'text.dart';
 
 /// A widget to display a given number of unreads in a conversation.

lib/widgets/unread_count_badge.dart

@@ -1,7 +1,7 @@
 import 'dart:ui';
 
 import 'package:checks/checks.dart';
-import 'package:zulip/widgets/stream_colors.dart';
+import 'package:zulip/widgets/channel_colors.dart';
 
 extension StreamColorSwatchChecks on Subject<StreamColorSwatch> {
   Subject<Color> get base => has((s) => s.base, 'base');

test/widgets/stream_colors_checks.dart renamed to test/widgets/channel_colors_checks.dart

@@ -1,9 +1,9 @@
 import 'package:checks/checks.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
-import 'package:zulip/widgets/stream_colors.dart';
+import 'package:zulip/widgets/channel_colors.dart';
 
-import 'stream_colors_checks.dart';
+import 'channel_colors_checks.dart';
 
 void main() {
   group('StreamColorSwatches', () {

test/widgets/stream_colors_test.dart renamed to test/widgets/channel_colors_test.dart

@@ -6,7 +6,7 @@ import 'package:zulip/api/model/model.dart';
 import 'package:zulip/model/store.dart';
 import 'package:zulip/widgets/icons.dart';
 import 'package:zulip/widgets/inbox.dart';
-import 'package:zulip/widgets/stream_colors.dart';
+import 'package:zulip/widgets/channel_colors.dart';
 
 import '../example_data.dart' as eg;
 import '../flutter_checks.dart';

test/widgets/inbox_test.dart

@@ -19,7 +19,7 @@ import 'package:zulip/widgets/emoji_reaction.dart';
 import 'package:zulip/widgets/icons.dart';
 import 'package:zulip/widgets/message_list.dart';
 import 'package:zulip/widgets/store.dart';
-import 'package:zulip/widgets/stream_colors.dart';
+import 'package:zulip/widgets/channel_colors.dart';
 
 import '../api/fake_api.dart';
 import '../example_data.dart' as eg;

test/widgets/message_list_test.dart

@@ -4,7 +4,7 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:zulip/api/model/initial_snapshot.dart';
 import 'package:zulip/api/model/model.dart';
 import 'package:zulip/widgets/icons.dart';
-import 'package:zulip/widgets/stream_colors.dart';
+import 'package:zulip/widgets/channel_colors.dart';
 import 'package:zulip/widgets/subscription_list.dart';
 import 'package:zulip/widgets/unread_count_badge.dart';
 

test/widgets/subscription_list_test.dart

@@ -2,7 +2,7 @@ import 'package:checks/checks.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
-import 'package:zulip/widgets/stream_colors.dart';
+import 'package:zulip/widgets/channel_colors.dart';
 import 'package:zulip/widgets/text.dart';
 import 'package:zulip/widgets/theme.dart';
 

test/widgets/theme_test.dart

@@ -2,7 +2,7 @@ import 'package:checks/checks.dart';
 import 'package:flutter/material.dart';
 
 import 'package:flutter_test/flutter_test.dart';
-import 'package:zulip/widgets/stream_colors.dart';
+import 'package:zulip/widgets/channel_colors.dart';
 import 'package:zulip/widgets/unread_count_badge.dart';
 
 void main() {