feat: host lock api so a plugin can load hosts from a config file (#1581)

scripts/check-sdk-ui-exports.cjs

@@ -168,6 +168,8 @@ const ALLOWED = [
   "HostDefaultsTarget",
   "HostDensity",
   "HostFeatureFields",
+  "HostLock",
+  "HostPolicy",
   "HostFeatureFieldsProps",
   "HostFolder",
   "HostGroupKey",
@@ -432,6 +434,7 @@ const ALLOWED = [
   "getHostDefaultsLevel",
   "getHostEditorSection",
   "getHostPassword",
+  "getHostPolicy",
   "getHostSidebarPreferences",
   "getHostTags",
   "getLiveHostStatus",