Force footprint viewers to have a cursor

Fixes https://gitlab.com/kicad/code/kicad/-/issues/4528

cvpcb/display_footprints_frame.cpp

@@ -275,6 +275,9 @@ void DISPLAY_FOOTPRINTS_FRAME::LoadSettings( APP_SETTINGS_BASE* aCfg )
     auto cfg = dynamic_cast<CVPCB_SETTINGS*>( aCfg );
     wxCHECK( cfg, /* void */ );
 
+    // We don't allow people to change this right now, so make sure it's on
+    GetWindowSettings( cfg )->cursor.always_show_cursor = true;
+
     EDA_DRAW_FRAME::LoadSettings( cfg );
 
     SetDisplayOptions( cfg->m_FootprintViewerDisplayOptions );

pcbnew/footprint_viewer_frame.cpp

@@ -722,6 +722,9 @@ void FOOTPRINT_VIEWER_FRAME::LoadSettings( APP_SETTINGS_BASE* aCfg )
     auto cfg = dynamic_cast<PCBNEW_SETTINGS*>( aCfg );
     wxCHECK( cfg, /*void*/ );
 
+    // We don't allow people to change this right now, so make sure it's on
+    GetWindowSettings( cfg )->cursor.always_show_cursor = true;
+
     PCB_BASE_FRAME::LoadSettings( aCfg );
 
     // Fetch grid settings from Footprint Editor