fix: prompt for sign in when toggling coder connect on

Author: ethanndickson

Coder-Desktop/Coder-Desktop/Views/VPN/VPNMenu.swift

@@ -117,12 +117,14 @@ struct VPNMenu<VPN: VPNService, FS: FileSyncDaemon>: View {
     }
 
     private var vpnDisabled: Bool {
+        // Always enabled if signed out, as that will open the sign in window
+        state.hasSession && (
         vpn.state == .connecting ||
             vpn.state == .disconnecting ||
             // Prevent starting the VPN before the user has approved the system extension.
             vpn.state == .failed(.systemExtensionError(.needsUserApproval)) ||
             // Prevent starting the VPN without a VPN configuration.
-            vpn.state == .failed(.networkExtensionError(.unconfigured))
+            vpn.state == .failed(.networkExtensionError(.unconfigured)))
     }
 }