Update:Show error icon on player cover when local media progress fails to sync & remove sync failure toast

plugins/constants.js

@@ -5,6 +5,12 @@ const DownloadStatus = {
   FAILED: 3
 }
 
+const SyncStatus = {
+  UNSET: 0,
+  SUCCESS: 1,
+  FAILED: 2
+}
+
 const CoverDestination = {
   METADATA: 0,
   AUDIOBOOK: 1
@@ -31,6 +37,7 @@ const PlayerState = {
 
 const Constants = {
   DownloadStatus,
+  SyncStatus,
   CoverDestination,
   BookCoverAspectRatio,
   PlayMethod,