[TD]clazy warnings and duplicate setter/getter

- clazy warning re missing Q_OBJECT

- include TechDrawGlobal.h in headers

- resolve duplicate setter/getters

src/Mod/TechDraw/App/DrawViewDraft.h

@@ -22,6 +22,8 @@
 
 #ifndef _DrawViewDraft_h_
 #define _DrawViewDraft_h_
+
+#include <Mod/TechDraw/TechDrawGlobal.h>
 
 #include <App/DocumentObject.h>
 #include <App/FeaturePython.h>
@@ -37,7 +39,8 @@ namespace TechDraw
 class TechDrawExport DrawViewDraft : public TechDraw::DrawViewSymbol
 {
     PROPERTY_HEADER_WITH_OVERRIDE(TechDraw::DrawViewDraft);
-
+    Q_OBJECT
+
 public:
     /// Constructor
     DrawViewDraft();