fix: consumers cannot define multiple configurations

[luiisca]

they have to marry to a single instance of FloatingViewsController, so they cannot just create a button 1 that renders a dynamic floating view based on config 1 and then button 2 that renders another one based on config 2, both buttons will have to use the same config

[linear[bot]]

GIT-433 fix: consumers cannot define multiple configurations

[luiisca]

harder than I expected