[MAJOR] Improper Modal Size

[mallick370]

We need to fix the modal sizes as soon as possible

[arkajyotiMukherjee]

I would like to have a more detailed discussion on this @mallick370

[whitetiger1399]

In the Modal component of Litmus-UI, it has props height, width which is relative to the screen. These props are specific to the use case. This issue must be handled in the integration part in Litmus.