Fixes the terminal profile jsonschema to allow for null in the id. This
is to match the current implementation when disabling a built in default
keybind.
(cherry picked from commit eb16eb26ab5d0c3f36a1a2084edcceacdf2a99f9)
Service-Card-Id: PVTI_lADOAF3p4s4AxadtzgemwL4
Service-Version: 1.23