Infix filters in CAP Node.js not working

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Inflix filters in CAP Node.js seems not to be working:

For eg:

1. Clone https://github.com/SAP-samples/fiori-elements-v4-cap-advanced

2. CDS versions are the latest: 

2. In travel-service.js, insert the following code :

      const test1 = await SELECT.from(Travel, { TravelID: '4132' }).columns(travel => {

        travel`TravelUUID`,

          travel.to_Agency`[AgencyID='070036']`((agency) => {

            agency`AgencyID`

          })

      })

     for e.g, in 

      this.after('READ', 'Passenger', async (req) => {

       ...

      }

3. By right this shouldn't return any values as it has AgencyID='070036' - which is invalid , but it returns:

    {"TravelUUID":"75757221A8E4645C17002DF03754AB66","to_Agency":{"AgencyID":"070043"}}

FYI I've tried in CDS ^6 and it works. It's not working in 7.9.1 (latest as of this time).

Thanks.

@david_kunz2 ?

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@SAPSupport ? @david_kunz2 ?