Fixes https://github.com/payloadcms/payload/issues/11975
Previously, this configuration was causing errors in postgres due to
long names, even though `dbName` is used:
```
{
slug: 'aliases',
fields: [
{
name: 'thisIsALongFieldNameThatWillCauseAPostgresErrorEvenThoughWeSetAShorterDBName',
dbName: 'shortname',
type: 'array',
fields: [
{
name: 'nested_field_1',
type: 'array',
dbName: 'short_nested_1',
fields: [],
},
{
name: 'nested_field_2',
type: 'text',
},
],
},
],
},
```
This is because we were generating Drizzle relation name (for arrays)
always based on the field path and internally, drizzle uses this name
for aliasing. Now, if `dbName` is present, we use `_{dbName}` instead
for the relation name.
09782be0e0