Shows the key icon only the the login form is enabled.

app/src/main/java/chat/rocket/android/authentication/login/ui/LoginFragment.kt

@@ -198,6 +198,7 @@ class LoginFragment : Fragment(), LoginView {
         ui {
             text_username_or_email.isVisible = true
             text_password.isVisible = true
+            image_key.isVisible = true
         }
     }
 

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

@@ -36,9 +36,10 @@
             android:id="@+id/image_key"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            android:layout_marginEnd="10dp"
             android:src="@drawable/ic_vpn_key_black_24dp"
             android:tint="@color/colorDrawableTintGrey"
-            android:layout_marginEnd="10dp"
+            android:visibility="gone"
             app:layout_constraintBottom_toBottomOf="@+id/text_username_or_email"
             app:layout_constraintEnd_toEndOf="@+id/text_username_or_email"
             app:layout_constraintTop_toTopOf="@+id/text_username_or_email" />