This commit extends the script used to generate thread
screenshots to be able to create invite_only streams,
add starred messages, create user groups, add edited
notice to messages, and send messages from notification
bots.
The window width is updated, and background for the
screenshots is changed to white.
It is also updated so that user-avatars mapping
occurs within the script itself.
This is a prep commit to #30128
This directory contains scripts that are used in building, managing,
testing, and other forms of work in a Zulip development environment.
Note that tools that are also useful in production belong in
scripts/ or should be Django management commands.
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