Simplification

app/src/main/res/drawable/baseline_highlight_off_24.xml

@@ -1,10 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24"
-    android:tint="?attr/colorControlNormal">
-  <path
-      android:fillColor="@android:color/white"
-      android:pathData="M14.59,8L12,10.59 9.41,8 8,9.41 10.59,12 8,14.59 9.41,16 12,13.41 14.59,16 16,14.59 13.41,12 16,9.41 14.59,8zM12,2C6.47,2 2,6.47 2,12s4.47,10 10,10 10,-4.47 10,-10S17.53,2 12,2zM12,20c-4.41,0 -8,-3.59 -8,-8s3.59,-8 8,-8 8,3.59 8,8 -3.59,8 -8,8z"/>
-</vector>

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

@@ -49,7 +49,7 @@
         android:tooltipText="@string/title_delete"
         app:layout_constraintStart_toEndOf="@id/ibMore"
         app:layout_constraintTop_toBottomOf="@id/vSeparator"
-        app:srcCompat="@drawable/baseline_highlight_off_24" />
+        app:srcCompat="@drawable/baseline_close_24" />
 
     <ImageButton
         android:id="@+id/ibUndo"