Implement DDS for text-max-width property

[nickidlugash]

Implements DDS for text-max-width property

Launch Checklist

• briefly describe the changes in this PR
• write tests for all new functionality
• document any changes to public APIs
• manually test the debug page

[ChrisLoer]

Awesome! This looks great. Do you think you could add a test for the zoom-and-property case? Like the other symbol layout properties, text-max-width will be a little bit funky in that case and it'd be nice to have the expected behavior in a test case. My expectation is that if you have zoom stops at 5 and 7, and you render a tile at zoom 6.5, you should get max-width interpolated as if it were at zoom level 6.

[nickidlugash]

@ChrisLoer Added, thanks 👍

[mollymerp]

🎉 thanks nicki!