Options applied to * doesn't work

[effaamponsah]

Describe the bug
which template:

• Bootstrap4FrameworkModule — Bootstrap 4
• MaterialDesignFrameworkModule — Material Design
• Bootstrap3FrameworkModule — Bootstrap 3
• NoFrameworkModule — plain HTML
• Other (please specify below)

A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

formlayout= [
  {
    key: "*",
    notitle: true,
    fieldHtmlClass: "ml-3"
    .......
  }
]

<json-schema-form
....
[layout]="formlayout">
</json-schema-form>

Expected behavior
I expect that each input field to have no title and should have margin-left as well.

Possible Implementation

When * is used in layout, options applied to it should apply to each item.