[WD-21922] chore: clean up nested routes

[muhammad-ali-pk]

Done

• Clean up routes
• Proper nesting of sub-routes
• Extract routes function

QA

QA steps

• Checkout this branch
• Run the project

docker run -d -p 5432:5432 -e POSTGRES_PASSWORD=postgres postgre
source .venv/bin/activate
set -a
source .env
source .env.local
set +a
flask --app webapp.app run --debug

Run in a separate terminal:

yarn dev

• Try selecting different pages and verify the routing works as expected

Fixes

• Fixes WD-21922

[webteam-app]

Demo

Jenkins

demos.haus

[samhotep]

LGTM!