Allow skipping if you hit a network error during PIN restore.

app/src/main/java/org/thoughtcrime/securesms/pin/PinRestoreEntryFragment.java

@@ -174,6 +174,7 @@ public class PinRestoreEntryFragment extends LoggingFragment {
         cancelSpinning(pinButton);
         pinEntry.setEnabled(true);
         enableAndFocusPinEntry();
+        skipButton.setVisibility(View.VISIBLE);
         break;
     }
   }