Is your feature request related to a problem? Please describe.
All other Telegram desktop clients allow you to resize the Telegram Web App screen freely, while WebK locks it to the standard 16:9

Describe the solution you'd like
Keep aspect ratio lock when resizing with but don't lock it when resizing with or

Describe alternatives you've considered
Switching to other Telegram client.

Additional context
Telegram clients that don't lock aspect ratio:

• Telegram macOS Swift client
• Telegram Desktop cross-platform client
• Telegram WebA client