Improve the GUI

[Matyrobbrt]

• Remove clipping of the radio buttons; add spacing for better visibility;
• Do not show non-advertised mirrors;
• Make the version bold;
• Make some messages correct (like in directory instead of at directory and minecraft -> Minecraft)
• Disable the OK button when there's an error
• Add a second progress bar for the steps, to show progress when downloading

[neoforged-pr-publishing]

• Publish PR to GitHub Packages

Last commit published: 725dfe01b1a0ba11151840c884aa217e580eab5e.

PR Publishing

The artifacts published by this PR:

• 📦 net.neoforged:legacyinstaller:3.0.10-pr-2-gui-improvements

Repository Declaration

In order to use the artifacts published by the PR, add the following repository to your buildscript:

repositories {
    maven {
        name 'Maven for PR #2' // https://github.com/neoforged/LegacyInstaller/pull/2
        url 'https://prmaven.neoforged.net/LegacyInstaller/pr2'
        content {
            includeModule('net.neoforged', 'legacyinstaller')
        }
    }
}