track installs on distro page

[ilayda-cp]

Done

• Added copy buttons to commands in the distro page
• track install command copy button

How to QA

• Go to a distro install page ie https://snapcraft-io-5621.demos.haus/install/vault/arch
• Verify copy buttons appear on all command snippets
• Click a copy button
• confirm text is copied to clipboard and icon changes to checkmark
• open browser Network tab
• click on the copy button on the install command (snap install ....)
• wait for a couple of secs
• verify click event fires with target snap_distro_install_copy_install_command
• verify a page_view event fires with target snap_distro_install_page

Testing

• This PR has tests
• No testing required (explain why):

Security

• Security considerations for review (list them):
  • Examples:
  • Access control: users can only access their own data
  • Input: user input is validated and sanitised
  • Sensitive data: secret or private data is not exposed in any way
  • ...
• This PR has no security considerations (explain why):

Issue / Card

Fixes https://warthogs.atlassian.net/browse/WD-34921

Screenshots

UX Approval

• This PR does not require UX approval
• This PR does require UX approval (add context):

[webteam-app]

Demo

Jenkins

demos.haus

[abbiesims]

LGTM! 👍