wizard: fixed issue where guest tools is downloaded when not windows

Author: osy

Platform/Shared/VMWizardState.swift

@@ -75,7 +75,7 @@ enum VMBootDevice: Int, Identifiable {
     @Published var isBusy: Bool = false
     @Published var systemBootUefi: Bool = true
     @Published var systemBootTpm: Bool = true
-    @Published var isGuestToolsInstallRequested: Bool = true
+    @Published var isGuestToolsInstallRequested: Bool = false
     @Published var useVirtualization: Bool = false {
         didSet {
             if !useVirtualization {