plugin already exists error with consumer and service attached.

[Prashansa-K]

Check attached FTI.
Config starts failing on a subsequent sync.

• Starts from v1.46.3 when we relaxed the constraint of foreign key references in nested plugins.
  Ref: fix: named foreign key references work properly for plugins go-database-reconciler#250

FTI config works well with deck v1.42.1