[1.16.18]
Update freescout to 1.8.229
Full Changelog
Fixed "Undefined variable $addressString" (#5487)
Fixed "Undefined array key 10004" on outbound Guzzle request without a proxy (#5486)
Fixed "Undefined variable $ensureAddressesAreSafe" (#5487)
Fixed permissions check when merging conversations (Security: GHSA-v8vc-cmf9-gg2c)
Patched security issues in dependency libraries: GHSA-vm85-hxw5-5432, GHSA-hq7v-mx3g-29hw, GHSA-34xg-wgjx-8xph, GHSA-cwxw-98qj-8qjx, GHSA-wpwq-4j6v-78m3, GHSA-h5x3-xfc9-m39h, GHSA-5vg9-5847-vvmq