feat(ios): location recording moves to the manager it always shared — ratchet 23 -> 18

• ac9143dba2 feat(ios): the on-disk format of a location recording, with the restore guard ported glennmichael123 review this step
• b366db9129 feat(ios): the recorder moves to the manager it always shared, ratchet 23 -> 18 glennmichael123 review this step
• 0bbb580461 feat(ios): Swift hands the relaunch restore to whichever runtime owns the recorder glennmichael123 review this step
• db1cc2ebb0 docs(ios): correct the header that argued this migration was impossible, and pin the new guards glennmichael123 review this step
• 10561e61bf style: zig fmt glennmichael123 review this step