## Description:
This PR implements a new feature allowing automatic upgrade of the
nearest building using the middle mouse button. This feature greatly
simplifies the upgrade process that previously required a right-click +
building recreation.
## Please complete the following:
- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [x] I have read and accepted the CLA agreement (only required once).
## Please put your Discord username so you can be contacted if a bug or
regression is found:
Kipstzz
---------
Co-authored-by: Scott Anderson <662325+scottanderson@users.noreply.github.com>
Kipstz