Check task_state before verify resize or before detachment.
We need to make sure the task_state moved out from resize_finish before
we trigger some action like attach/detach volume.
So when we update flvor and volume at the samethime, the resize action
will not affect volume attachment/detachment.
Depends-On: https://review.opendev.org/#/c/700512/
Change-Id: I64033d5a0a8fea5c4fd93b1deb111d3d8fba0cf7
Story: #2007042
Task: #37854
Task: #37855
Task: #37869
(cherry picked from commit 40ca7e9e63)