Don't add space before para twice in paragraph layout

Discard attributes from empty text object when merging


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65442 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/richtext/richtextbuffer.cpp

@@ -3594,7 +3594,7 @@ bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style)
     // Apply styles to wrapped lines
     ApplyParagraphStyle(attr, rect, dc);
 
-    SetCachedSize(wxSize(maxWidth, currentPosition.y + spaceBeforePara + spaceAfterPara));
+    SetCachedSize(wxSize(maxWidth, currentPosition.y + spaceAfterPara));
 
     m_dirty = false;