Sync logo styling with kotlinlang

[d-ambatenne]

I would suggest using logo of the similar scale/style. This issue may be resolved via upcoming header update.

KTL-1332

[IgnatBeresnev]

• We only want to change the logo as part of this issue, nothing else.
• Try not to break compatibility with existing user customizations.
  • Example of logo customization: https://hexagonkt.com/api/index.html
• Need to show Elena how to customize the logo to test it

[berezinant]

KTL-1332