The sender_info_hover region incorrectly filled the full row to the
right of the sender's name, resulting in the blue highlight being
visible in parts of the message that should be just the message body.
Fix this by moving the selectors for it further down in the DOM.
Fixes#25276.
Ever since we started bundling the app with webpack, there’s been less
and less overlap between our ‘static’ directory (files belonging to
the frontend app) and Django’s interpretation of the ‘static’
directory (files served directly to the web).
Split the app out to its own ‘web’ directory outside of ‘static’, and
remove all the custom collectstatic --ignore rules. This makes it
much clearer what’s actually being served to the web, and what’s being
bundled by webpack. It also shrinks the release tarball by 3%.
Signed-off-by: Anders Kaseorg <anders@zulip.com>