Make sure axesEnabled is set before saving config.

We don't actually allow the user to change this at present, so one
could argue that we should remove it from what is saved out of the
config.  But this is a smaller, safer change.

Fixes https://gitlab.com/kicad/code/kicad/issues/7666

eeschema/symbol_editor/symbol_edit_frame.cpp

@@ -264,6 +264,8 @@ void SYMBOL_EDIT_FRAME::SaveSettings( APP_SETTINGS_BASE* aCfg )
 {
     wxCHECK_RET( m_settings, "Call to SYMBOL_EDIT_FRAME::LoadSettings with null m_settings" );
 
+    GetGalDisplayOptions().m_axesEnabled = true;
+
     SCH_BASE_FRAME::SaveSettings( GetSettings() );
 
     m_settings->m_ShowPinElectricalType  = GetRenderSettings()->m_ShowPinsElectricalType;

pcbnew/footprint_edit_frame.cpp

@@ -527,6 +527,8 @@ void FOOTPRINT_EDIT_FRAME::LoadSettings( APP_SETTINGS_BASE* aCfg )
 
 void FOOTPRINT_EDIT_FRAME::SaveSettings( APP_SETTINGS_BASE* aCfg )
 {
+    GetGalDisplayOptions().m_axesEnabled = true;
+
     // aCfg will be the PCBNEW_SETTINGS
     FOOTPRINT_EDITOR_SETTINGS* cfg = GetSettings();
 

pcbnew/footprint_viewer_frame.cpp

@@ -794,6 +794,8 @@ void FOOTPRINT_VIEWER_FRAME::SaveSettings( APP_SETTINGS_BASE* aCfg )
     PCBNEW_SETTINGS* cfg = dynamic_cast<PCBNEW_SETTINGS*>( aCfg );
     wxCHECK( cfg, /*void*/ );
 
+    GetGalDisplayOptions().m_axesEnabled = true;
+
     // We don't want to store anything other than the window settings
     PCB_BASE_FRAME::SaveSettings( cfg );