Suppress file not found error on loading draft texts

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

@@ -79,6 +79,7 @@ import java.io.BufferedOutputStream;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
+import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -1372,6 +1373,7 @@ public class FragmentCompose extends FragmentEx {
 
                 @Override
                 protected void onException(Bundle args, Throwable ex) {
+                    if (!(ex instanceof FileNotFoundException))
                         Helper.unexpectedError(getContext(), getViewLifecycleOwner(), ex);
                 }
             }.load(FragmentCompose.this, a);