0024391: Erased AIS object can not be displayed in AIS_InteractiveContext after AIS_InteractiveContext::Remove(): added presentations removing after presentable object is removed from context.

vremove command was corrected. Test case was corrected.

few mistakes corrected

src/PrsMgr/PrsMgr_Presentation.cdl

@@ -39,7 +39,7 @@ is
     
     Display(me: mutable) is deferred private;
     
-    Erase(me) is deferred private;
+    Erase(me: mutable) is deferred private;
 
     SetVisible (me: mutable; theValue: Boolean from Standard) is deferred private;
 

src/PrsMgr/PrsMgr_Presentation3d.cdl

@@ -61,7 +61,7 @@ is
     ---Purpose: displays myStructure and sets myDisplayReason to theIsHighlight value if
     -- myStructure was not displayed or was invisible
     
-    Erase(me) is redefined static private;
+    Erase(me: mutable) is redefined static private;
 
     SetVisible (me: mutable; theValue: Boolean from Standard) is redefined static private;
 

src/PrsMgr/PrsMgr_Presentation3d.cxx

@@ -68,8 +68,13 @@ void PrsMgr_Presentation3d::Display(const Standard_Boolean theIsHighlight)
   }
 }
 
-void PrsMgr_Presentation3d::Erase () const {
-  myStructure->Erase();}
+void PrsMgr_Presentation3d::Erase ()
+{
+  // Erase structure from structure manager
+  myStructure->Erase();
+  // Clear groups and remove graphic structure
+  myStructure.Nullify();
+}
 
 void PrsMgr_Presentation3d::SetVisible (const Standard_Boolean theValue)
 {

src/PrsMgr/PrsMgr_PresentationManager.cxx

@@ -49,11 +49,19 @@ void PrsMgr_PresentationManager::Erase(
     const Handle(PrsMgr_PresentableObject)& aPresentableObject,
     const Standard_Integer aMode) 
 {
-  if (HasPresentation(aPresentableObject,aMode)){
+  if (HasPresentation(aPresentableObject,aMode))
+  {
     if(myImmediateMode)
+    {
       Remove(aPresentableObject,aMode);
+    }
     else
-     Presentation(aPresentableObject,aMode)->Erase();}
+    {
+     Presentation(aPresentableObject,aMode)->Erase();
+    }
+
+    RemovePresentation (aPresentableObject,aMode);
+  }
 }
 
 void PrsMgr_PresentationManager::Clear(const Handle(PrsMgr_PresentableObject)& aPresentableObject,