Allow disambiguation menu configurability

Adds an advanced config flag to all testing different values for
different users.

Related to https://gitlab.com/kicad/code/kicad/-/issues/15128

eeschema/tools/ee_selection_tool.cpp

@@ -22,6 +22,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
 
+#include <advanced_config.h>
 #include <core/typeinfo.h>
 #include <core/kicad_algo.h>
 #include <gal/graphics_abstraction_layer.h>
@@ -380,13 +381,13 @@ int EE_SELECTION_TOOL::Main( const TOOL_EVENT& aEvent )
                 if( hasModifier() )
                 {
                     m_originalCursor = m_toolMgr->GetMousePosition();
-                    m_disambiguateTimer.StartOnce( 500 );
+                    m_disambiguateTimer.StartOnce( ADVANCED_CFG::GetCfg().m_DisambiguationMenuDelay );
                 }
             }
             else
             {
                 m_originalCursor = m_toolMgr->GetMousePosition();
-                m_disambiguateTimer.StartOnce( 500 );
+                m_disambiguateTimer.StartOnce( ADVANCED_CFG::GetCfg().m_DisambiguationMenuDelay );
             }
         }
         // Single click? Select single object