Share as new task

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

@@ -550,7 +550,10 @@ public class Helper {
         // Build intent
         Intent intent = new Intent(Intent.ACTION_VIEW);
         intent.setDataAndTypeAndNormalize(uri, type);
-        intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION |
+                Intent.FLAG_ACTIVITY_NEW_TASK |
+                Intent.FLAG_ACTIVITY_CLEAR_TASK);
+
         if (!TextUtils.isEmpty(name))
             intent.putExtra(Intent.EXTRA_TITLE, Helper.sanitizeFilename(name));
         Log.i("Intent=" + intent + " type=" + type);