Autocomplete Property Component Placeholder Support

[mattwchun]

• I am requesting a new feature

Description of requested feature
In the Autocomplete Property Component include another property that allows for placeholder support like the html input tag.

Why this feature is important to you
When there are multiple Autocomplete Property Components on the page it will allow users to distinguish between the textboxes easily.

• I am reporting a bug

Expected Behavior

Actual Behavior

Steps to reproduce behavior