Clarifying product copy in the form set-up panel

[anikbrazeau]

Content changes, including:

• Carrying through change in terminology of pages
• Having questions as a logical subset of pages instead of the reverse
• Making nav labels and buttons tighter and more concise
• Update the rules modal title to be more concise
• Change autoflow in French to "enchaînement linéaire"
• Distinguish between question "rules" or parameters, display "rules" or hide/show, and branching "rules or "go to page x"
• Change tab menu to plural for pages, translations, branching
• Differentiate left edit zone from right panel configuration for non-sighted users
• Consistent use of radio buttons, checkboxes and dropdowns as elements

[github-actions]

🧪 Review environment

https://3jdoo6l3y6g4o3ke5j6aehhctu0cqrhv.lambda-url.ca-central-1.on.aws/

[anikbrazeau]

This PR got messy, new PR created to clean things up #4066