bind ssh controlmaster to live time of CLI

pkgs/webview-ui/app/src/components/MachineListItem.tsx

@@ -55,9 +55,9 @@ export const MachineListItem = (props: MachineListItemProps) => {
             flake: {
               identifier: active_clan,
             },
+            override_target_host: info?.deploy.targetHost,
           },
           no_reboot: true,
-          target_host: info?.deploy.targetHost,
           debug: true,
           nix_options: [],
           password: null,

pkgs/webview-ui/app/src/routes/machines/details.tsx

@@ -142,8 +142,8 @@ const InstallMachine = (props: InstallMachineProps) => {
           flake: {
             identifier: curr_uri,
           },
+          override_target_host: target,
         },
-        target_host: target,
         password: "",
       },
     });