fix(uninstall): restore namespace helper import

Author: cv

src/lib/actions/uninstall/run-plan.ts

@@ -61,6 +61,7 @@ import {
 import {
   externallySupervisedHostGatewayProcessOwnershipFailure,
   hasStateScopedSandboxNamespace,
+  processUsesStateScopedSandboxNamespace,
   scopedHostGatewayProcessOwnershipFailure,
   type StopHostGatewayOptions,
   stopHostGatewayProcesses,