[Image Layers] console error on navigation to image endpoint

[davetsay]

Summary

A console error is thrown if you navigate to an image endpoint. (the breaking call is loadVisibleLayers)

Expected vs Current Behavior

Should not get a console error.

Steps to Reproduce

1. Open the browser console
2. Navigate to an image endpoint
3. Observe an error is logged in console

Environment

• Open MCT Version: 2.1.6
• Deployment Type: VIPER Testathon with Imagery Layers enabled

Impact Check List

• Data loss or misrepresented data?
• Regression? Did this used to work or has it always been broken?
• Is there a workaround available?
• Does this impact a critical component?
• Is this just a visual bug with no functional impact?
• Does this block the execution of e2e tests?
• Does this have an impact on Performance?

Additional Information

openmct.js:2 TypeError: Cannot read properties of undefined (reading 'find')
    at openmct.js:2:2903762
    at Array.forEach (<anonymous>)
    at s.loadVisibleLayers (openmct.js:2:2903739)
    at s.mounted (openmct.js:2:2901149)