Closes #2598

Description

Fixes issue with raster layers not loading in ESRI Dynamic geocore layers.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

https://damonu2.github.io/geoview/add-layers.html

06be2cfe-d334-4f92-94ae-62a7615e9d28 -fixed
5095a5e0-e574-4769-84d3-acaac529399b - fixed
37b59b8b-1c1c-4869-802f-c09571cc984b - fixed
3d52693e-39d1-4e7f-b4fa-b72ccb605006 - fixed
42478434-e0ac-4f40-a4ac-aec40f161a9c - fixed
c094782e-0d6f-4cc0-b5a3-58908493a433 - fixed
ac2096a6-7b4a-464e-9e08-eca7873dd88c - fixed
47a60179-83aa-4750-ad59-5797da909748 - all layers load, layers 0 and 17 are in RCS but don't exist, and two layers have no legend (15 and 16) - does not load at all in RAMP
6c7e9bb6-17e1-4e41-b49c-23261c8eefbc - fixed
bd71df53-543d-4359-9d17-8f1bb3b5ab90 - fixed

Checklist:

• I have build (rush build) and deploy (rush host) my PR
• I have connected the issues(s) to this PR
• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• I have created new issue(s) related to the outcome of this PR is needed
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

This change is