[Bug]: GraphQL pagination with order by statements omits values

### What happened?

We've noticed a potential issue with the SQL generation within the Data API Builder, specifically when handling GraphQL queries that include pagination and sorting. The SQL output appears to introduce unintended predicates affecting the sorting column. These predicates seem to cause records with null values in the sorting column to be excluded from the results, varying with the sort order (ascending showing null values and with descending excluding null values).

### Version

1.1.7

### What database are you using?

Azure SQL

### What hosting model are you using?

AppService

### Which API approach are you accessing DAB through?

GraphQL

### Relevant log output

```Text
query SomeQuery {
someentityA(first: 10, orderBy: {columnA:DESC}, filter: {
and: [{ columnB: { neq: "EntityA" } }
{ or: [ { columnC: { eq: "CountryB" } } ] }
]}) {
items {
id
columnD
columnE
columnF
columnG
columnH
columnI
columnJ
columnK
columnL
columnM
columnN
columnO
someentityB(first: 10000) {
items {
id
columnP
someentityC(first: 10000) {
items {
id
columnQ
columnR
columnS
columnT
columnU
columnV
// ... rest of the query
}
}
}
}
}
}
```

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