detectMise function
Detects if the currently running instance was installed via mise.
mise installs to: ~/.local/share/mise/installs/<tool>/<version>/
Implementation
bool detectMise() {
final execPath = Platform.resolvedExecutable;
return RegExp(
r'[/\\]mise[/\\]installs[/\\]',
caseSensitive: false,
).hasMatch(execPath);
}