[console/terminal] Fix input queue blocked when previous request was cancelled

mirai-console/frontend/mirai-console-terminal/src/JLineInputDaemon.kt

@@ -69,7 +69,7 @@ internal object JLineInputDaemon : Runnable {
                 }
                 continue
             }
-            if (nextTask.coroutine.isCancelled) continue
+            if (nextTask.coroutine.isCompleted) continue
 
 
             synchronized(queueStateChangeNoticer) {
@@ -120,7 +120,7 @@ internal object JLineInputDaemon : Runnable {
                         suspendReader(true)
                         return@invokeOnCancellation
                     }
-                    if (nnextTask2.coroutine.isCancelled) continue
+                    if (nnextTask2.coroutine.isCompleted) continue
 
                     nnextTask = nnextTask2
                     break
@@ -156,6 +156,26 @@ internal object JLineInputDaemon : Runnable {
             }.addLast(req)
 
             queueStateChangeNoticer.notify()
+
+            if (crtProcessing != null && crtProcessing.coroutine.isCompleted) {
+                val nnextTask: Request
+                while (true) {
+                    val nnextTask2 = queue.poll() ?: queueDelayable.poll()
+                    if (nnextTask2 == null) {
+                        nnextTask = req
+                        break
+                    }
+                    if (nnextTask2.coroutine.isCompleted) continue
+
+                    nnextTask = nnextTask2
+                    break
+                }
+                processing = nnextTask
+                updateFlags(nnextTask)
+                if (lineReader.isReading) {
+                    readerImpl.redisplay()
+                }
+            }
         }
         tryResumeReader(true)
     }