[Bug] Frontend: Left panel not covering the page

[infinity1729]

Description
When number of events exceed the page, left section gets scrolled up and eventually it ends up with white empty space.

Screenshot

Expected Behaviour
On scrolling the window, left section should stick to its current position without getting scrolled up.

[Tushar98644]

pls assign me ....

[pranavjainjs]

I'd like to work on this issue.

[infinity1729]

Assigning to @pranavjainjs