Regression: Show messages instead of the composer when there is no action...

Regression: Show messages instead of the composer when there is no action available on federated rooms (#28093)

Co-authored-by: Guilherme Gazzo <5263975+ggazzo@users.noreply.github.com>
Co-authored-by: Douglas Fabris <27704687+dougfabris@users.noreply.github.com>