Docker CLI hangs when attempting to detach from container

Description

On Windows 11, the Docker CLI cannot detach from a container using the CTRL + P, CTRL + Q key sequence.

Steps to reproduce the issue:

1. Open PowerShell or CMD prompt
2. docker run --detach --env MYSQL_ROOT_PASSWORD=blah mysql:latest
3. docker attach <containerId>
4. Attempt to detach with CTRL + P, CTRL + Q

Describe the results you received:

Docker CLI is "stuck" connected to a container.

Describe the results you expected:

Docker CLI should detach from the container.

Additional information you deem important (e.g. issue happens only occasionally):

Output of docker version:

Client:
 Cloud integration: v1.0.20
 Version:           20.10.10
 API version:       1.41
 Go version:        go1.16.9
 Git commit:        b485636
 Built:             Mon Oct 25 07:47:53 2021
 OS/Arch:           windows/amd64
 Context:           default
 Experimental:      true

Server: Docker Engine - Community
 Engine:
  Version:          20.10.10
  API version:      1.41 (minimum version 1.12)
  Go version:       go1.16.9
  Git commit:       e2f740d
  Built:            Mon Oct 25 07:41:30 2021
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          1.4.11
  GitCommit:        5b46e404f6b9f661a205e28d59c982d3634148f8
 runc:
  Version:          1.0.2
  GitCommit:        v1.0.2-0-g52b36a2
 docker-init:
  Version:          0.19.0
  GitCommit:        de40ad0

Output of docker info:

Client:
 Context:    default
 Debug Mode: false
 Plugins:
  buildx: Build with BuildKit (Docker Inc., v0.6.3)
  compose: Docker Compose (Docker Inc., v2.1.1)
  scan: Docker Scan (Docker Inc., 0.9.0)

Server:
 Containers: 6
  Running: 3
  Paused: 0
  Stopped: 3
 Images: 10
 Server Version: 20.10.10
 Storage Driver: overlay2
  Backing Filesystem: extfs
  Supports d_type: true
  Native Overlay Diff: true
  userxattr: false
 Logging Driver: json-file
 Cgroup Driver: cgroupfs
 Cgroup Version: 1
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
 Swarm: inactive
 Runtimes: io.containerd.runc.v2 io.containerd.runtime.v1.linux runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 5b46e404f6b9f661a205e28d59c982d3634148f8
 runc version: v1.0.2-0-g52b36a2
 init version: de40ad0
 Security Options:
  seccomp
   Profile: default
 Kernel Version: 5.10.60.1-microsoft-standard-WSL2
 Operating System: Docker Desktop
 OSType: linux
 Architecture: x86_64
 CPUs: 6
 Total Memory: 15.59GiB
 Name: docker-desktop
 ID: LUJQ:6XRO:QAGY:NC7E:DBP2:HH3H:TIA6:Q3TN:U53M:4MH3:PO3R:WI26
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 Registry: https://index.docker.io/v1/
 Labels:
 Experimental: false
 Insecure Registries:
  127.0.0.0/8
 Live Restore Enabled: false

Start by reproducing the issue with docker run --detach --env MYSQL_ROOT_PASSWORD=blah mysql:latest, then docker attach <containerId> in Windows PowerShell or CMD. Investigate the docker attach CLI path and verify that CTRL+P, CTRL+Q detaches from the container instead of leaving the CLI stuck.