Persist Companion Bluetooth on-off preference across reboots

.github/workflows/run-unit-tests.yml

@@ -205,6 +205,9 @@ jobs:
       - name: Verify Companion Bluetooth CLI connection protection
         run: python3 -B test/test_companion_bluetooth_control.py -v
 
+      - name: Verify Companion Bluetooth reboot persistence
+        run: python3 -B test/test_companion_bluetooth_persistence.py -v
+
       - name: Verify nRF52 SoftDevice LTO and persistent BLE subscriptions
         env:
           MESHCORE_REQUIRE_ARM_COMPILER: '1'