Fix not getting experiment pod logs in the UI and format logs

[Baalekshan]

Fixes #4723

Proposed changes

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This PR aims to fix the issue of not getting experiment pod logs in the UI and better formatting of logs.

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• New feature (non-breaking change which adds functionality)
• Bugfix (non-breaking change which fixes an issue)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
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Dependency

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Special notes for your reviewer:

[Baalekshan]

Creating new PR because #4731 got a bit messier.

[Baalekshan]

@Saranya-jena This issue is partially solved (the formatting part has been completed). And for the experiment logs not showing up I am inspecting the CreatePodLog(). When I run a experiment neither experiment pod nor the runner pod logs show up. I only get main logs. Is something wrong with my experiment configuration ?

[namkyu1999]

LGTM 🚀