1.51.0

Added 🚀

• File chooser now accept ".json" files only to avoid accidentally loading incorrect files.
• Lots of tooltips #1030

Fixed 🐞

• Blacklisting a building would sometimes not update the map #1098
• Changes made after opening the filechooser and closing it won't be applied #875
• Edge metric list not always updated correctly when loading a new file #1106