Revert back to ... menus for MIDI devices and fit

tui_main.c

@@ -1911,10 +1911,10 @@ void push_main_menu(void) {
   qmenu_add_spacer(qm);
   qmenu_add_choice(qm, Main_menu_set_tempo, "Set BPM...");
   qmenu_add_choice(qm, Main_menu_set_grid_dims, "Set Grid Size...");
-  qmenu_add_submenu(qm, Main_menu_autofit_grid, "Auto-fit Grid");
+  qmenu_add_choice(qm, Main_menu_autofit_grid, "Auto-fit Grid");
   qmenu_add_spacer(qm);
 #ifdef FEAT_PORTMIDI
-  qmenu_add_submenu(qm, Main_menu_choose_portmidi_output, "MIDI Output");
+  qmenu_add_choice(qm, Main_menu_choose_portmidi_output, "MIDI Output...");
   qmenu_add_spacer(qm);
 #endif
   qmenu_add_choice(qm, Main_menu_controls, "Controls...");