Improve saved plans feature

🚧 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/add-tab-for-saved-trips/
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It's very difficult to to find saved trips in the MS Windows interface and when I edit a saved trip and try to save it I'm asked to choose which saved trip to replace but my saved trips are just displayed as blue lines without any identifier.