message: Reduce viewer test resolution
  This changelist reduces the time spent in GitHub Actions builds by reducing the resolution of viewer render tests.
diff: @@ -230,8 +230,8 @@ jobs:
  - name: Viewer Tests
  if: matrix.test_render == 'ON'
  run: |
  - ../installed/bin/MaterialXView --material brass_average_baked.mtlx --mesh ../../resources/Geometry/sphere.obj --screenWidth 128 --screenHeight 128 --cameraZoom 1.4 --shadowMap false --captureFilename Viewer_BrassAverage.png
  - ../installed/bin/MaterialXView --material usd_preview_surface_carpaint.mtlx --mesh ../../resources/Geometry/sphere.obj --screenWidth 128 --screenHeight 128 --cameraZoom 1.4 --shadowMap false --captureFilename Viewer_CarpaintTranslated.png
  + ../installed/bin/MaterialXView --material brass_average_baked.mtlx --mesh ../../resources/Geometry/sphere.obj --screenWidth 100 --screenHeight 100 --cameraZoom 1.4 --shadowMap false --captureFilename Viewer_BrassAverage.png
  + ../installed/bin/MaterialXView --material usd_preview_surface_carpaint.mtlx --mesh ../../resources/Geometry/sphere.obj --screenWidth 100 --screenHeight 100 --cameraZoom 1.4 --shadowMap false --captureFilename Viewer_CarpaintTranslated.png
  working-directory: build/render
  - name: JavaScript CMake Generate
  