[cytoscape] Add mapper functions and more (#39245)
[cytoscape] Add mapper functions and more (#39245)

* Allows Css.Core for the style/css

* Adds new round shapes

* - Allow mapper functions when defining style properties
- Adds "ghost"
- Plugs some interfaces to Css.Node/Edge

* - Add extra params to Handler
- Fixes the originalEvent type
- Adds other events methods

* Fix linting

* Adds missing Boundingbox options

* Adds a way to specify the target we are expecting for an event

dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,mcliment/DefinitelyTyped,dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped,markogresak/DefinitelyTyped,georgemarshall/DefinitelyTyped