Optimise filter for how important price is

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/request-a-feature/optimise-filter-for-how-important-price-is/
———————————————————————————
With prices ranging from 45p to 85p per kWh for fast chargers being able to have a slider to put in how important price is vs speed is getting more important. This will also help the more expensive charging companies to decide to reduce price when abrp users stop using it.