0026596: Visualization - hidden twice times structure should not be selectable

Activated selection mode for the object that was displayed previously is now added to global status;
Test case for issue #26596

src/AIS/AIS_InteractiveContext.cxx

@@ -534,6 +534,8 @@ void AIS_InteractiveContext::Display (const Handle(AIS_InteractiveObject)& theIO
       }
       if (!mgrSelector->IsActivated (theIObj, theSelectionMode))
       {
+        if (!aStatus->IsSModeIn (theSelectionMode))
+          aStatus->AddSelectionMode (theSelectionMode);
         mgrSelector->Activate (theIObj, theSelectionMode, myMainSel);
       }
     }

tests/bugs/vis/bug26596

@@ -0,0 +1,31 @@
+puts "============"
+puts "CR26596"
+puts "============"
+puts ""
+
+##########################################################################################
+puts "Visualization - hidden twice times structure should not be selectable"
+##########################################################################################
+
+pload MODELING VISUALIZATION
+
+box b 1 2 3
+vinit View1
+vclear
+vaxo
+vsetdispmode 1
+
+vdisplay b
+vfit
+verase b
+
+vdisplay b
+verase b
+
+vmoveto 250 250
+set aResColor [vreadpixel 165 263]
+if {$aResColor == "0 1 1 1"} {
+  puts "ERROR: Zero selection mode was not deactivated at second AIS_InteractiveContext::Erase call"
+}
+
+set only_screen 1