Coding - Remove duplicate and self-referencing include directives (#739)

- Removal of self-referencing includes where files include themselves
- Elimination of duplicate include statements within the same file
- Cleanup of redundant includes in conditional compilation blocks
- Adding CI validation for validation PRs

src/Visualization/TKV3d/SelectMgr/SelectMgr_ViewerSelector.hxx

@@ -27,7 +27,6 @@
 #include <SelectMgr_StateOfSelection.hxx>
 #include <SelectMgr_ToleranceMap.hxx>
 #include <SelectMgr_TypeOfDepthTolerance.hxx>
-#include <SelectMgr_ViewerSelector.hxx>
 #include <Standard_OStream.hxx>
 #include <Standard_Transient.hxx>
 #include <StdSelect_TypeOfSelectionImage.hxx>