Check if SyncYomi is enabled in syncData function

server/src/main/kotlin/suwayomi/tachidesk/global/impl/sync/SyncManager.kt

@@ -80,6 +80,10 @@ object SyncManager {
     }
 
     suspend fun syncData() {
+        if (!serverConfig.syncYomiEnabled.value) {
+            return
+        }
+
         transaction {
             MangaTable.update({ MangaTable.isSyncing eq true }) {
                 it[isSyncing] = false

server/src/main/kotlin/suwayomi/tachidesk/graphql/mutations/SyncMutation.kt

@@ -21,10 +21,8 @@ class SyncMutation {
     fun startSync(input: StartSyncInput): StartSyncPayload {
         val (clientMutationId) = input
 
-        if (serverConfig.syncYomiEnabled.value) {
-            GlobalScope.launch {
-                SyncManager.syncData()
-            }
+        GlobalScope.launch {
+            SyncManager.syncData()
         }
 
         return StartSyncPayload(