Coding - Apply .clang-format formatting #286

Update empty method guards to new style with regex (see PR).
Used clang-format 18.1.8.
New actions to validate code formatting is added.
Update .clang-format with disabling of include sorting.
  It is temporary changes, then include will be sorted.
Apply formatting for /src and /tools folder.
The files with .hxx,.cxx,.lxx,.h,.pxx,.hpp,*.cpp extensions.

tools/DFBrowserPane/DFBrowserPane_HelperExport.hxx

@@ -11,7 +11,7 @@
 // distribution for complete text of the license and disclaimer of any warranty.
 //
 // Alternatively, this file may be used under the terms of Open CASCADE
-// commercial license or contractual agreement. 
+// commercial license or contractual agreement.
 
 #ifndef DFBrowserPane_HelperExport_H
 #define DFBrowserPane_HelperExport_H
@@ -33,7 +33,7 @@ class DFBrowserPane_HelperExport : public QObject
   Q_OBJECT
 public:
   //! Constructor
-  DFBrowserPane_HelperExport (QObject* theParent) { (void)theParent; }
+  DFBrowserPane_HelperExport(QObject* theParent) { (void)theParent; }
 
   //! Destructor
   virtual ~DFBrowserPane_HelperExport() Standard_OVERRIDE {}
@@ -44,31 +44,33 @@ public:
   //! Append a shape to be exported if pressed button on item from the given list
   //! \param theShape a shape
   //! \param theIndicies a list of indices for this shape
-  void AddShape (const TopoDS_Shape& theShape, const QModelIndexList& theIndices);
+  void AddShape(const TopoDS_Shape& theShape, const QModelIndexList& theIndices);
 
   //! Returns whether the map of shapes contains a shape for the index
   //! \param theIndex a model index
   //! \return true if the map contains shape
-  bool HasShape (const QModelIndex& theIndex) const { return myShapes.contains (theIndex); }
+  bool HasShape(const QModelIndex& theIndex) const { return myShapes.contains(theIndex); }
 
   //! Returns shape for the index
   //! \param theIndex a model view index
   //! \return a cached shape
-  const TopoDS_Shape& Shape (const QModelIndex& theIndex) { return myShapes[theIndex]; }
+  const TopoDS_Shape& Shape(const QModelIndex& theIndex) { return myShapes[theIndex]; }
 
 public slots:
 
   //! Slot that processing button press for the model index
   //! \param theIndex a model index
-  void OnButtonPressed (const QModelIndex& theIndex);
+  void OnButtonPressed(const QModelIndex& theIndex);
 
 private:
 #ifdef _MSC_VER
-#pragma warning(push, 0) // 4251: class 'QMap<QModelIndex,TopoDS_Shape>' needs to have dll-interface...
+  #pragma warning(                                                                                 \
+    push,                                                                                          \
+    0) // 4251: class 'QMap<QModelIndex,TopoDS_Shape>' needs to have dll-interface...
 #endif
   QMap<QModelIndex, TopoDS_Shape> myShapes; //!< a container of shapes
 #ifdef _MSC_VER
-#pragma warning(pop)
+  #pragma warning(pop)
 #endif
 };