Small layout improvement

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

@@ -1012,7 +1012,6 @@ public class FragmentCompose extends FragmentBase {
         lvGroup.setAdapter(adapter);
 
         final AlertDialog dialog = new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
-                .setTitle(R.string.title_insert_contact_group)
                 .setView(dview)
                 .create();
 

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

@@ -7,7 +7,7 @@
 
     <Spinner
         android:id="@+id/spTarget"
-        android:layout_width="wrap_content"
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginTop="12dp"
         android:entries="@array/targetNames"
@@ -17,7 +17,7 @@
     <ListView
         android:id="@+id/lvGroup"
         android:layout_width="match_parent"
-        android:layout_height="210dp"
+        android:layout_height="wrap_content"
         android:layout_marginTop="24dp"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/spTarget" />