Inherited members are isolated from members of a derived class

**Operation System**: Windows

**DocFX Version Used**: 2.51.0.0

**Template used**: default and little customized

**Steps to Reproduce**:

just follow Quickstart to generate API doc

**Expected Behavior**:

Members of a base class are written the same as members of a derived class, not isolated as inherited Members.
For example, although System.Windows.Controls.Button.Height property is Inherited from FrameworkElement class, it is placed in Properties of the Button class page on MSDN.

**Actual Behavior**:

Members of a base class are isolated from members of a derived class and written in 'Inherited Members'.

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How to get this behavior?
the MSDN do this, so that It looks some ways are.