No religion forbids entry into another house of worship. As long as no one preaches or condemns anyone else then there is no harm.
If your place of work instilled a prayer room where all faiths were allowed to use it I'm sure you wouldn't quit your job or refuse entry into the building.
If your place of work instilled a prayer room where all faiths were allowed to use it I'm sure you wouldn't quit your job or refuse entry into the building.