Merge "Minor UI fixes for desktop mode app header" into main

<?xml version="1.0" encoding="utf-8"?>

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<vector xmlns:android="http://schemas.android.com/apk/res/android"

    android:width="16dp"

    android:height="16dp"

    android:viewportWidth="16"

    android:viewportHeight="16"

    android:tint="?android:attr/textColorSecondary">

    <path

        android:fillColor="#FF000000"

        android:pathData="M 8 11.375 L 2 5.375 L 3.4 3.975 L 8 8.575 L 12.6 3.975 L 14 5.375 L 8 11.375 Z"

        />

</vector>

            android:id="@+id/expand_menu_button"

            android:layout_width="16dp"

            android:layout_height="16dp"

            android:src="@drawable/ic_baseline_expand_more_24"

            android:src="@drawable/ic_baseline_expand_more_16"

            android:background="@null"

            android:scaleType="fitCenter"

            android:clickable="false"

        android:layout_width="44dp"

        android:layout_height="40dp"

        android:layout_gravity="end"

        android:layout_marginHorizontal="8dp"

        android:layout_marginEnd="8dp"

        android:clickable="true"

        android:focusable="true"/>