This uses the proper version list to find all MC versions matching the
major number (_don't say anything about SemVer_ 🔫).
Signed-off-by: flow <flowlnlnln@gmail.com>
This hopefully makes it easier to the user to know that their changes
will only apply after hitting the search button.
I tried setting the background color, but it seems more unreliable on
cross-platform than underlining. Also, it could be worse for daltonic people,
so I don't know what to do :(