fix(recordings): render labels in 'key=value' form

[andrewazores]

Welcome to Cryostat! 👋

Before contributing, make sure you have:

• Read the contributing guidelines
• Linked a relevant issue which this PR resolves
• Linked any other relevant issues, PR's, or documentation, if any
• Resolved all conflicts, if any
• Rebased your branch PR on top of the latest upstream main branch
• Attached at least one of the following labels to the PR: [chore, ci, docs, feat, fix, test]
• Signed all commits using a GPG signature

To recreate commits with GPG signature git fetch upstream && git rebase --force --gpg-sign upstream/main

---

See #1311
Based on #1312

Description of the change:

This change adds allows a match expression example to be copied to the clipboard...

Motivation for the change:

This change is helpful because users may want to copy the example for easier use...

How to manually test:

1. Run CRYOSTAT_IMAGE=quay.io... sh smoketest.sh...
2. ...

[github-actions]

This PR/issue depends on:

• fix(topology): nodes can be filtered by label/annotation #1312
  By Dependent Issues (🤖). Happy coding!

[tthvo]

Looks like test snapshots need updating?

[andrewazores]

Needs a little more cleanup work, there was some internal logic that handled KeyValues by encoding them as ${key}:${value} for Redux, so I'm making that also ${key}=${value} just for simplicity.

[tthvo]

Looks good to me!