dankinstall(distros): Enhance DMS minimal install logic

-Updated for Debian, Ubuntu, Fedora, and OpenSUSE
- New shared minimal installation logic to streamline package handling across distros

core/internal/distros/minimal_install.go

@@ -0,0 +1,44 @@
+package distros
+
+type minimalInstallGroup struct {
+	packages []string
+	minimal  bool
+}
+
+func shouldPreferMinimalInstall(pkg string) bool {
+	switch pkg {
+	case "niri", "niri-git":
+		return true
+	default:
+		return false
+	}
+}
+
+func splitMinimalInstallPackages(packages []string) (normal []string, minimal []string) {
+	for _, pkg := range packages {
+		if shouldPreferMinimalInstall(pkg) {
+			minimal = append(minimal, pkg)
+			continue
+		}
+		normal = append(normal, pkg)
+	}
+	return normal, minimal
+}
+
+func orderedMinimalInstallGroups(packages []string) []minimalInstallGroup {
+	normal, minimal := splitMinimalInstallPackages(packages)
+	groups := make([]minimalInstallGroup, 0, 2)
+	if len(minimal) > 0 {
+		groups = append(groups, minimalInstallGroup{
+			packages: minimal,
+			minimal:  true,
+		})
+	}
+	if len(normal) > 0 {
+		groups = append(groups, minimalInstallGroup{
+			packages: normal,
+			minimal:  false,
+		})
+	}
+	return groups
+}