Don't force plugin components to implement `ComponentType<ComponentProps>`

[forman]

Chartlets.js currently requires plugin components to implement ComponentType<ComponentProps> forcing component providers to wrap existing components or apply superfluous type casts, as the ComponentProps could be optional.

See:

https://github.com/xcube-dev/xcube-viewer/blob/715ca00ee53f1fc3d2200b6b3b15e8c8498fa33b/src/ext/plugin.ts#L12-L19