Lock on boot by default if SD is missing

Setting defaults to ON, so removing SD card will lock on boot if PIN is set
Also changes that lock on boot will not apply if PIN is not set (what if no PIN set and no SD card, then lock keypad always? bad idea)

applications/main/momentum_app/scenes/momentum_app_scene_interface_lockscreen.c

@@ -117,7 +117,7 @@ void momentum_app_scene_interface_lockscreen_on_enter(void* context) {
 
     item = variable_item_list_add(
         var_item_list,
-        "Lock on Boot",
+        "Lock on Boot if PIN set",
         2,
         momentum_app_scene_interface_lockscreen_lock_on_boot_changed,
         app);