[fix] Fix the spreadsheet columns visibility consistency

Columns visibility was restored only in the first opening of LidarView.
For example :
if you open the spreadsheet (using ctrl-t), hide a specific column,
       close the spreadsheet (using ctrl-t) and reopen it, the column wasn't hide.

This was due to the check on the current object (if it was different thant the previous).
Actually we want to update the column selection everytime the spreadsheet is displayed.
Even if it's the same object or the same frame.

ApplicationComponents/lqSpreadSheetManager.cxx

@@ -164,19 +164,17 @@ void lqSpreadSheetManager::conditionnallyHideColumn(const std::string& condition
 //-----------------------------------------------------------------------------
 void lqSpreadSheetManager::onSpreadSheetEndRender()
 {
-  // endRender may not be the best signal to use because it will be called at
-  // each frame whereas we would prefer to update only when the source is
-  // changed. However I tried pqSpreadSheetView::showing and
-  // pqSpreadSheetView::viewportUpdated but none worked because column names
-  // are not yet updated
-  if (this->getCurrentShownObjectName() != this->lastShownObjectName)
-  {
-    conditionnallyHideColumn("Data", "Points_m_XYZ"); // hide dupe of pt coords
-    conditionnallyHideColumn("TrailingFrame", "Points_m_XYZ");
+  // Every time the spreadsheet has to be rendered:
+  // - we hide the column "Points_m_XYZ" because it's too wide.
+  // - we check which columns have to be displayed (some of them could have been hidden by the user
+  // We do this every time (not only for each new frame)
+  // Because if the user opens and closes the spreadsheet on the same frame, it should display the same things.
 
-    this->restoreColumnSelection();
-  }
-  this->lastShownObjectName = this->getCurrentShownObjectName();
+
+  conditionnallyHideColumn("Data", "Points_m_XYZ"); // hide dupe of pt coords
+  conditionnallyHideColumn("TrailingFrame", "Points_m_XYZ");
+
+  this->restoreColumnSelection();
 }
 
 //-----------------------------------------------------------------------------

ApplicationComponents/lqSpreadSheetManager.h

@@ -62,7 +62,6 @@ private:
                                 const std::string& columnName);
   void restoreColumnSelection();
   std::string getCurrentShownObjectName();
-  std::string lastShownObjectName = "";
 };
 
 #endif // __lqSpreadSheetManager_h