fix: do not init chequebook in ultra light mode

[Cafe137]

Checklist

• I have read the coding guide.
• My change requires a documentation update, and I have done it.
• I have added tests to cover my changes.
• I have filled out the description and linked the related issues.

Description

I checked the /wallet endpoint that was also changed in the relevant commit:

curl http://localhost:1633/wallet
{"code":501,"message":"Chequebook is disabled. This endpoint is unavailable."}

This is in ultra-light mode. Seems OK.

Open API Spec Version Changes (if applicable)

Motivation and Context (Optional)

Related Issue (Optional)

#4937

Screenshots (if appropriate):

[Cafe137]

Superseded by #4938