Fix SetBreaks component and lift up state of breaks array

[nishaYO]

this issue has two tasks both related to the setBreaks component.

1. The input elements in the jsx in the SetBreaks component is not taking the integer values when a number key is pressed. It is supposed to show the value of the key pressed and should then update the apt value of the breaks array also.
2. The breaks array should be lift up to the parent component of the setBreaks page i.e. SessionSetup page.