contact requests: check for presenter

Change-Id: Ie9c49793006c0bf29dfe12707b55d7611a5e14ec

ring-android/app/src/main/java/cx/ring/client/HomeActivity.java

@@ -394,13 +394,13 @@ public class HomeActivity extends AppCompatActivity implements BottomNavigationV
     }
 
     private void presentTrustRequestFragment(String accountID) {
-        Bundle bundle = new Bundle();
-        bundle.putString(ContactRequestsFragment.ACCOUNT_ID, accountID);
         mNotificationService.cancelTrustRequestNotification(accountID);
         if (fContent instanceof ContactRequestsFragment) {
             ((ContactRequestsFragment) fContent).presentForAccount(accountID);
             return;
         }
+        Bundle bundle = new Bundle();
+        bundle.putString(ContactRequestsFragment.ACCOUNT_ID, accountID);
         fContent = new ContactRequestsFragment();
         fContent.setArguments(bundle);
         binding.navigationView.getMenu().getItem(NAVIGATION_CONTACT_REQUESTS).setChecked(true);

ring-android/app/src/main/java/cx/ring/contactrequests/ContactRequestsFragment.java

@@ -75,10 +75,11 @@ public class ContactRequestsFragment extends BaseSupportFragment<ContactRequests
     }
 
     public void presentForAccount(@NonNull String accountId) {
-        presenter.updateAccount(accountId);
         Bundle arguments = getArguments();
         if (arguments != null)
             arguments.putString(ACCOUNT_ID, accountId);
+        if (presenter != null)
+            presenter.updateAccount(accountId);
     }
 
     @Override