Fix downloading notification stuck when nothing to download

app/src/main/kotlin/com/hippo/ehviewer/download/DownloadManager.kt

@@ -311,16 +311,6 @@ object DownloadManager : OnSpiderListener, CoroutineScope {
         }
     }
 
-    suspend fun stopCurrentDownload() {
-        val info = stopCurrentDownloadInternal()
-        if (info != null) {
-            // Update listener
-            mutableNotifyFlow.emit(info)
-            // Ensure download
-            ensureDownload()
-        }
-    }
-
     suspend fun stopRangeDownload(gidList: LongArray) {
         stopRangeDownloadInternal(gidList)
 

app/src/main/kotlin/com/hippo/ehviewer/download/DownloadService.kt

@@ -117,19 +117,11 @@ class DownloadService :
                 }
             }
 
-            ACTION_START_ALL -> {
-                deferredMgr.await().startAllDownload()
-            }
-
-            ACTION_STOP_ALL -> deferredMgr.await().run {
-                if (isIdle) stopSelf() else stopAllDownload()
-            }
-
-            ACTION_CLEAR -> {
-                clear()
-                checkStopSelf()
-            }
+            ACTION_START_ALL -> deferredMgr.await().startAllDownload()
+            ACTION_STOP_ALL -> deferredMgr.await().stopAllDownload()
+            ACTION_CLEAR -> clear()
         }
+        checkStopSelf()
     }
 
     override fun onBind(intent: Intent) = null