Settings: Long press to copy wifi password

Instead of marking and manually copying. Better UX

res/layout/wifi_dpp_qrcode_generator_fragment.xml

@@ -58,7 +58,6 @@
                 android:minHeight="@dimen/min_tap_target_size"
                 android:layout_marginBottom="24dp"
                 android:textAlignment="center"
-                android:textIsSelectable="true"
                 android:focusable="true"
                 android:longClickable="true"
                 android:textAppearance="@android:style/TextAppearance.Material.Body1"
@@ -69,4 +68,3 @@
     </LinearLayout>
 
 </com.google.android.setupdesign.GlifLayout>
-