fix: `codeBlock` styles in light mode (#32499)

.changeset/five-shoes-fly.md

...meteor/client/views/root/MainLayout/LayoutWithSidebar.tsx

...client/views/root/MainLayout/MainLayoutStyleTags.spec.tsx

...teor/client/views/root/MainLayout/MainLayoutStyleTags.tsx

apps/meteor/client/views/root/lib/codeBlockStyles.ts

apps/meteor/package.json

ee/packages/ui-theming/package.json

packages/fuselage-ui-kit/package.json

packages/gazzodown/package.json

packages/ui-avatar/package.json

packages/ui-client/package.json

packages/ui-composer/package.json

packages/ui-video-conf/package.json

packages/uikit-playground/package.json

yarn.lock