Updates a chunk of translated strings that overlap between files,
with the streams settings overlay being the starting point for
finding these strings, to use channel instead of stream.
Part of stream to channel rename project.
Updates translated error and warning strings when creating a new
stream in the web app to use channel instead of stream.
Part of stream to channel rename project.
- On creating a stream, the user is redirected to the
"stream events" topic of the newly created stream.
- If this is the first time the user has created a stream,
an explanatory modal is shown.
test_hotspots.py is modified to account for the new addition
of the first_stream_created_banner.
stream_create.test.ts is also modified accordingly.
Fixes#29375.
