[🐛site]: UIP integration cleanup wave 1

[ala-n]

ESL Animate examples:

• Animation of esl-animate-fade is too quick (probably the defaults of ESL styles or some typo in snippet)
• Repeat option in the settings bar set incorrectly on animate example (2 tab) (It looks like we create two separate options for repeat or do not use it for mixin at all, hide for the 3rd example)

Mobile UIP problems (general)

• The titles of snipets are not aligned perfectly on mobile (any page, e.g. esl-animate)
  
  Note: reproducible when content of the title is bigger then menu(screen) size
  Most likely UIP styles bug, but ESL site styles may also related

• UIP settings are not collapsible on mobile bp. (simply missing option to make uip-setting collapsible)

General:

• UIP JS Editor: indents are broken... (The root cause is undefined, it could be related to modification (if no such problem on dev mode), or it could be incorrect UIP normalization process) Use the following page as a reference: https://esl-ui.com/examples/animate/
  

• UIP HTML Editor: no newlines after li tags (most likely UIP normalization problem, if correct - then it could be moved under UIP repository issues list)

CC: @yadamskaya