"Experiment" page:
- New column called "Message Size (KB)" inside the experiment table.
- Add the message size to the "selected columns" popup section.
- Add the message size to the charts tooltip and charts drop-down option presented.

"All Experiments" page:
- New column called "Message Size (KB)" inside the all-experiments table.
- "Duplicate" into homepage through all-experiments.

Checklist:

[x] I have included a meaningful summary of my PR's content
[x] If applicable, I have included screenshots to help describe my change
[x] I have linked my PR to the relevant issue
[x] I have performed a self-review of my code
[x] I have commented my code, particularly in hard-to-understand areas
[x] My changes do not generate new compliance warnings / errors
[x] I have tested that my fix or enhancement is effective or that my feature works
[x] New and existing unit tests pass locally with my changes
[x] I have made corresponding changes to the documentation

att / qujata