Apply 'failed' message status icon in home view.

Signal/Images.xcassets/message_status_failed.imageset/Contents.json

@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "error-12@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "error-12@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "error-12@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Signal/src/ViewControllers/ConversationView/Cells/OWSMessageCell.m

@@ -220,7 +220,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (UIImage *)sendFailureBadge
 {
-    UIImage *image = [UIImage imageNamed:@"message_send_failed"];
+    UIImage *image = [UIImage imageNamed:@"message_status_failed_large"];
     OWSAssert(image);
     OWSAssert(image.size.width == self.sendFailureBadgeSize && image.size.height == self.sendFailureBadgeSize);
     return image;

Signal/src/ViewControllers/HomeView/HomeViewCell.m

@@ -286,17 +286,18 @@ NS_ASSUME_NONNULL_BEGIN
                     statusIndicatorImage = [UIImage imageNamed:@"message_status_sent"];
                     break;
                 case MessageReceiptStatusDelivered:
+                    statusIndicatorImage = [UIImage imageNamed:@"message_status_delivered"];
+                    break;
                 case MessageReceiptStatusRead:
                     statusIndicatorImage = [UIImage imageNamed:@"message_status_delivered"];
+                    messageStatusViewTintColor = [UIColor ows_signalBlueColor];
                     break;
                 case MessageReceiptStatusFailed:
                     // TODO:
-                    statusIndicatorImage = [UIImage imageNamed:@"message_status_sending"];
+                    statusIndicatorImage = [UIImage imageNamed:@"message_status_failed"];
+                    messageStatusViewTintColor = [UIColor ows_destructiveRedColor];
                     break;
             }
-            if (messageStatus == MessageReceiptStatusRead) {
-                messageStatusViewTintColor = [UIColor ows_signalBlueColor];
-            }
         }
         self.messageStatusView.image = [statusIndicatorImage imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
         self.messageStatusView.tintColor = messageStatusViewTintColor;