fix bug with persist property
fix bug with persist property

jkabonick-ft/oidc-token-manager,IdentityModel/oidc-token-manager,jkabonick-ft/oidc-token-manager,ankitbko/oidc-token-manager,IdentityModel/oidc-token-manager,ankitbko/oidc-token-manager,ankitbko/oidc-token-manager,IdentityModel/oidc-token-manager,jkabonick-ft/oidc-token-manager