[core] taskManager: downgrade status per chunk

Avoid to get trailing "submitted" chunks on the current node when we stop the computation.

meshroom/core/taskManager.py

@@ -116,9 +116,10 @@ def requestBlockRestart(self):
     def blockRestart(self):
         """ Avoid the automatic restart of computing. """
         for node in self._nodesToProcess:
-            if node.getGlobalStatus() in (Status.SUBMITTED, Status.ERROR):
-                node.upgradeStatusTo(Status.NONE)
-                self.removeNode(node, displayList=True)
+            for chunk in node.chunks:
+                if chunk.status.status in (Status.SUBMITTED, Status.ERROR):
+                    chunk.upgradeStatusTo(Status.NONE)
+            self.removeNode(node, displayList=True)
 
         self._blockRestart = False
         self._nodesToProcess = []