fix(spa): correct privacy policy message margin

frontend/spa/src/components/PrivacyPolicy.vue

@@ -1,5 +1,5 @@
 <template>
-  <div v-if="isShown" class="toast toast-center bottom-20 z-50">
+  <div v-if="isShown" class="toast toast-center toast-bottom-fix z-50">
     <div class="alert alert-info">
       <span>
         Используя магазин, вы соглашаетесь с
@@ -40,3 +40,14 @@ function showPrivacyPolicy() {
   }
 }
 </script>
+
+<style scoped>
+.toast-bottom-fix {
+  bottom: calc(
+      var(--dock-height, 0px)
+      + var(--tg-content-safe-area-inset-bottom, 0px)
+      + var(--tg-safe-area-inset-bottom, 0px)
+      + 5px
+  );
+}
+</style>