== Background
We would like to deploy the indicator built in T333601 to English Wikipedia to test how this indicator affects width usage
== Pre-deployment criteria
[] Ensure that instrumentation for clicking the button and current state is up to date (and has not seen additional changes)
[] Ensure latest copy is discussed with the community and update based on the conversation
Copy:
Neutral state: You can toggle between a fixed width and full width by clicking this button.
If going from fixed width to full: You have switched your layout to full width. To go back to fixed width, press this button.
== Acceptance criteria
[] Backport https://gerrit.wikimedia.org/r/c/910081
[] Deploy indicator
== Post-deployment criteria
[] Create ticket to remove indicator after 2 weeks of usage
[] Create ticket to analyze usage