Target Android 15

We apply window insets to basically not draw behind the top and bottom
bar. While this is a slight visual downgrade (we used to draw behind the
top bar before), it at least allows us to target Android 15.

app/src/main/java/protect/card_locker/ManageGroupsActivity.java

@@ -42,6 +42,7 @@ public class ManageGroupsActivity extends CatimaAppCompatActivity implements Gro
         binding = ManageGroupsActivityBinding.inflate(getLayoutInflater());
         setTitle(R.string.groups);
         setContentView(binding.getRoot());
+        Utils.applyWindowInsets(binding.getRoot());
         Toolbar toolbar = binding.toolbar;
         setSupportActionBar(toolbar);
         enableToolbarBackButton();