Fix "My subscription" dark mode overlapping background bubbles.

app/src/main/res/layout/my_support_preference.xml

@@ -1,13 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:layout_marginStart="@dimen/dsl_settings_gutter"
     android:layout_marginEnd="@dimen/dsl_settings_gutter"
-    app:cardCornerRadius="10dp"
-    app:cardElevation="0dp"
     tools:viewBindingIgnore="true">
 
     <androidx.constraintlayout.widget.ConstraintLayout
@@ -68,4 +66,4 @@
             tools:text="$400.00" />
 
     </androidx.constraintlayout.widget.ConstraintLayout>
-</androidx.cardview.widget.CardView>
+</FrameLayout>