(Feature request: )always expanding transcript

[ImprovedTube]

• always expanding transcript

Originally posted by @ImprovedTube in #1429 (comment)

[ImprovedTube]

• CSS selector for the transcript button:
  tp-yt-iron-dropdown svg path[d^="M5,11h2v2H5V11z M15,15H5v2h10V15z M19,15h-2v2h2V15z M19,11H9v2h10V11z M22,6H2v14h20V6z M3,7h18v12H3V7z"]

  • "..."-button: 'tp-yt-iron-dropdown svg path[d^="M7.5,12c0,0.83-0.67,1.5-1.5,1.5S4.5,12.83,4.5,12s0.67-1.5,1.5-1.5S7.5,11.17,7.5,12z M12,10.5c-0.83,0-1.5,0.67-1.5,1.5 s0.67,1.5,1.5,1.5s1.5-0.67,1.5-1.5S12.83,10.5,12,10.5z M18,10.5c-0.83,0-1.5,0.67-1.5,1.5s0.67,1.5,1.5,1.5s1.5-0.67,1.5-1.5 S18.83,10.5,18,10.5z"]'

JavaScript: document.querySelector('.....').click();