fix: avoid staticcheck empty branch

Author: qqxhb

callbacks/associations.go

@@ -347,11 +347,10 @@ func SaveAfterAssociations(create bool) func(db *gorm.DB) {
 				}
 
 				if joins.Len() > 0 {
-					if err := db.AddError(db.Session(&gorm.Session{}).Clauses(clause.OnConflict{DoNothing: true}).Session(&gorm.Session{
+					db.Error = db.AddError(db.Session(&gorm.Session{}).Clauses(clause.OnConflict{DoNothing: true}).Session(&gorm.Session{
 						SkipHooks:                db.Statement.SkipHooks,
 						DisableNestedTransaction: true,
-					}).Create(joins.Interface()).Error); err != nil {
-					}
+					}).Create(joins.Interface()).Error)
 				}
 			}
 		}