Bug: Blur filter inappropriately applied on desktop

[evan-schiewe]

openapi-ui/src/core/css/sidebar-animations.css

Line 114 in 07d4564

filter: blur(2px);

On desktop, Chrome 138:

With a window between 1020px and 1280px wide: the main content is blurred but the sidebar does not have a close button.

Below 1020px wide, the close button appears. Above 1280px wide, the main content is unblurred.