[Portal] Add message_size parameter

[ohadkoren]

As a frontend developer, it needs to be presented on the following section:

• Home page:
  • New test run parameter, including custom input.
• "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.