Adeed compose menu dividers

app/src/main/java/eu/faircode/email/FragmentCompose.java

@@ -1497,6 +1497,8 @@ public class FragmentCompose extends FragmentBase {
             }
         });
 
+        MenuCompat.setGroupDividerEnabled(menu, true);
+
         super.onCreateOptionsMenu(menu, inflater);
     }
 

app/src/main/res/menu/menu_compose.xml

@@ -19,6 +19,7 @@
         android:title="@string/title_zoom"
         app:showAsAction="ifRoom" />
 
+    <group android:id="@+id/group_options">
         <item
             android:id="@+id/menu_save_drafts"
             android:checkable="true"
@@ -57,7 +58,9 @@
             android:icon="@drawable/outline_unfold_less_24"
             android:title="@string/title_compact"
             app:showAsAction="never" />
+    </group>
 
+    <group android:id="@+id/group_operations">
         <item
             android:id="@+id/menu_contact_group"
             android:icon="@drawable/twotone_people_24"
@@ -87,6 +90,7 @@
             android:icon="@drawable/twotone_format_clear_24"
             android:title="@string/title_style_clear"
             app:showAsAction="never" />
+    </group>
 
     <item
         android:id="@+id/menu_legend"