Order of operations with iconOffset and iconRotate

Nobody has claimed this yet.

## New Feature

This may well be user error, but in my map I have a `SymbolLayer` that I want to set the offset and rotate of the image on.

This used to be updated relatively infrequently, so what I did was:
1. Rotate the image as desired using UIKit methods
2. Offset the image as desired using `iconOffset` property of the `SymbolLayer`.

Since this image is now updated more frequently, I switched the implementation to:
Assign `iconRotate` and `iconOffset` properties on the `SymbolLayer` as appropriate.

However, the implementation appears to apply in this order:
1. Offset
2. Rotate

Which results in behavior that isn't desired. I also attempted to use `iconTranslate` with similar effects.

It would be nice to specify the order of operations of the image to choose between "spinning and moving" vs "orbiting".

There are plenty of resources on this but if it helps, here is one:
https://bobobobo.wordpress.com/2011/12/20/rotation-translation-vs-translation-rotation/

Is there a path I'm missing? Maybe this is already possible?

## Why

I would like to be able to specify rotation and offset for images in either order based on the business case.

No files or tests are named. Start with SymbolLayer's iconRotate, iconOffset, and iconTranslate behavior, comparing it with the UIKit image-transform workflow described; define how users would select each operation order and verify both resulting map behaviors.

Written by the indexing model from the issue text.