[ssh-gateway] improve send heartbeat and add track

[iQQBot]

Description

[ssh-gateway] improve send heartbeat and add track, tracking plan

Related Issue(s)

Fixes #

How to test

1. Start a workspace
2. connect ssh via copy/paste command
3. open segment, monitor event ide_close_signal, it will be send if you close ssh connect.
4. connect ssh via copy/paste command but not require pty

# you can use ssh shell command, like

ssh 'workspaceId#ownerToken@workspaceId.ssh.ws.pd-ssh-improve-hb.preview.gitpod-dev.com' echo test

5. monitor segment event ide_close_signal, it not send

Release Notes

SSH Gateway will send heartbeat only user explicitly request pty

Documentation

Werft options:

• /werft with-preview
• /werft analytics=segment|TEZnsG4QbLSxLfHfNieLYGF4cDwyFWoe

[werft-gitpod-dev-com]

started the job as gitpod-build-pd-ssh-improve-hb.3 because the annotations in the pull request description changed
(with .werft/ from main)

[werft-gitpod-dev-com]

started the job as gitpod-build-pd-ssh-improve-hb.6 because the annotations in the pull request description changed
(with .werft/ from main)

[werft-gitpod-dev-com]

started the job as gitpod-build-pd-ssh-improve-hb.7 because the annotations in the pull request description changed
(with .werft/ from main)

[mustard-mh]

Test both works

for pty

for shell is not send