increase offline queue size from 16 to 256 for all companion ble firmwares

variants/heltec_tracker/platformio.ini

@@ -44,6 +44,7 @@ build_flags =
   -D MAX_CONTACTS=100
   -D MAX_GROUP_CHANNELS=8
   -D BLE_PIN_CODE=123456 ; HWT will use display for pin
+  -D OFFLINE_QUEUE_SIZE=256
 ;  -D BLE_DEBUG_LOGGING=1
 ;  -D ENABLE_PRIVATE_KEY_IMPORT=1
 ;  -D ENABLE_PRIVATE_KEY_EXPORT=1