QA: Added event-builder type to the parameters of the run_qa function

The merge requests adds an event-builder selection parameter to the run_qa.C macro. Depending on the parameter ("", "Ideal", "Real") the cbm::ca::OutputQa task is executed either in time-based, or in event-based regime.

core/qa/CbmQaTask.h

@@ -101,6 +101,11 @@ class CbmQaTask : public FairTask, public CbmQaIO {
   /// \return false Some of the objects are inconsistent
   bool CompareQaObjects();
 
+  /// \brief Disables event-by-event execution
+  ///
+  /// By default, if the branch
+  void DisableEventMode();
+
   /// \brief FairTask: Defines action of the task in the event/TS
   void Exec(Option_t* /*option*/) override;
 
@@ -155,7 +160,6 @@ class CbmQaTask : public FairTask, public CbmQaIO {
   /// \brief Sets name of the setup
   void SetSetupName(const char* setup) { fsSetupName = setup; }
 
-
  protected:
   /// \brief De-initialize the task
   virtual void DeInit() {}