Fix IsOnlyForeignKeysModified logic in AbpDbContext

Author: maliming

framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/AbpDbContext.cs

@@ -474,7 +474,7 @@ protected virtual void PublishEventsForTrackedEntity(EntityEntry entry)
 
     protected virtual bool IsOnlyForeignKeysModified(EntityEntry entry)
     {
-        return entry.Properties.All(x => x.IsModified && x.Metadata.IsForeignKey() &&
+        return entry.Properties.Where(x => x.IsModified).All(x => x.Metadata.IsForeignKey() &&
                                          (x.CurrentValue == null || x.OriginalValue?.ToString() == x.CurrentValue?.ToString()));
     }