Workaround stale recent apps intent

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

@@ -969,10 +969,10 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
         }
 
         String action = intent.getAction();
-        Log.i("View intent=" + intent + " action=" + action);
+        boolean recents = (getIntent().getFlags() & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) != 0;
         if (action != null) {
             intent.setAction(null);
-            setIntent(intent);
+            setIntent(new Intent(intent));
 
             if (action.startsWith("unified")) {
                 if (getLifecycle().getCurrentState().isAtLeast(Lifecycle.State.STARTED))
@@ -1032,11 +1032,11 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
 
                 onMenuOutbox();
 
-            } else if (action.startsWith("thread")) {
+            } else if (action.startsWith("thread") && !recents) {
                 intent.putExtra("thread", action.split(":", 2)[1]);
                 onViewThread(intent);
 
-            } else if (action.equals("widget")) {
+            } else if (action.equals("widget") && !recents) {
                 long account = intent.getLongExtra("widget_account", -1);
                 long folder = intent.getLongExtra("widget_folder", -1);
                 String type = intent.getStringExtra("widget_type");