[FE] DevOps Report: Adding "preparing" state and tooltips in segment table

• Add tooltips in the category title. Find the texts here: #247112 (comment 425512083)
• Add tooltip for "Not adopted"
• Add tooltip when "Add segment" is disabled (max segments have been created)

Details for preparing state:

• Gray out segment title in table
• Add icon (not animating)
• Add tooltip for explanation, with text "Preparing segment data: ready on yyyy-mm-dd-hh:mm".

For more information see the discussion here: #235421 (comment 433747317)

Related to: #235421 (closed)