Fix a problem allowing a LIMIT constraint to be passed to a virtual table in cases where there exist WHERE terms that cannot also be passed.

FossilOrigin-Name: 72c8ed9698dd2aadee7b84fd293e8306233f0fe5b5b5731687482444fdf461c7

src/whereexpr.c

@@ -1638,6 +1638,7 @@ void SQLITE_NOINLINE sqlite3WhereAddLimit(WhereClause *pWC, Select *p){
         continue;
       }
       if( pWC->a[ii].leftCursor!=iCsr ) return;
+      if( pWC->a[ii].prereqRight!=0 ) return;
     }
 
     /* Check condition (5). Return early if it is not met. */