feat(ui): Compact graph by using circles rather than panels

[alexec]

Checklist:

• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this is a chore.
• The title of the PR is (a) conventional, (b) states what changed, and (c) suffixes the related issues number. E.g. "fix(controller): Updates such and such. Fixes #1234".
• I have written unit and/or e2e tests for my change. PRs without these are unlike to be merged.
• Optional. I've added My organization is added to the README.
• I've signed the CLA and required builds are green.

Question: should the default be horizontal (time is commonly represented on the horizontal axis) or vertical (as it is today)?

[simster7]

Question: should the default be horizontal (time is commonly represented on the horizontal axis) or vertical (as it is today)?

Vertical should be default, with option to switch in my opinion.

This looks great btw