Ability to customize width of input

### Is your feature request related to a problem? Please describe.

I want to customize HorizontalLayout in Angular material view such that rather than 50/50 split, i want more of 20/80 split

How can I achieve this ?

### Describe the solution you'd like

Ability to pass flex option in json that can be passed to jsonform

### Describe alternatives you've considered

I am thinking about using css. However, ids are attached to input tags but not on div element which contains input tag

### Framework

Angular

### RendererSet

Material

### Additional context

_No response_