Restyle Add pre-execution command callback.

src/app/zap-templates/templates/app/callback-stub-src.zapt

@@ -132,3 +132,10 @@ void __attribute__((weak)) MatterPostAttributeChangeCallback(
     uint8_t type, uint16_t size, uint8_t * value)
 {
 }
+
+void __attribute__((weak)) MatterPreExecuteCommandCallback(chip::app::CommandHandler * commandObj,
+                                                           const chip::app::ConcreteCommandPath & commandPath)
+{
+    (void)commandObj;
+    (void)commandPath;
+}

src/app/zap-templates/templates/app/callback.zapt

@@ -423,3 +423,12 @@ chip::Protocols::InteractionModel::Status MatterPreAttributeChangeCallback(const
  */
 void MatterPostAttributeChangeCallback(const chip::app::ConcreteAttributePath & attributePath,
                                        uint8_t type, uint16_t size, uint8_t * value);
+
+/** @brief Pre Execute command callback
+ * @param commandObj Command object
+ * @param commandPath Concrete command path to be executed
+ *
+ * This function is called by the framework before execute any command
+ */
+void MatterPreExecuteCommandCallback(chip::app::CommandHandler * commandObj,
+                                     const chip::app::ConcreteCommandPath & commandPath);

src/app/zap-templates/templates/app/im-cluster-command-handler.zapt

@@ -71,7 +71,7 @@ void DispatchServerCommand(CommandHandler * apCommandObj, const ConcreteCommandP
 void DispatchSingleClusterCommand(const ConcreteCommandPath & aCommandPath, TLV::TLVReader & aReader, CommandHandler * apCommandObj)
 {
     Compatibility::SetupEmberAfCommandHandler(apCommandObj, aCommandPath);
-
+    MatterPreExecuteCommandCallback(apCommandObj, aCommandPath);
     switch (aCommandPath.mClusterId)
     {
     {{#all_user_clusters_with_incoming_commands}}