Render texture images when available

[jslee02]

Before:

After:

Depends on #972
Resolves #965

---

Before creating a pull request

• Document new methods and classes

Before merging a pull request

• Set version target by selecting a milestone on the right side
• Summarize this change in CHANGELOG.md
• Add unit test(s) for this change

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-6.4@a4208af). Click here to learn what that means.
The diff coverage is 70.37%.

@@              Coverage Diff               @@
##             release-6.4     #973   +/-   ##
==============================================
  Coverage               ?   56.67%           
==============================================
  Files                  ?      310           
  Lines                  ?    23961           
  Branches               ?        0           
==============================================
  Hits                   ?    13580           
  Misses                 ?    10381           
  Partials               ?        0

Impacted Files	Coverage Δ
dart/utils/PackageResourceRetriever.hpp	100% <ø> (ø)
dart/common/ResourceRetriever.hpp	100% <ø> (ø)
dart/common/LocalResourceRetriever.hpp	100% <ø> (ø)
dart/utils/CompositeResourceRetriever.hpp	100% <ø> (ø)
dart/utils/DartResourceRetriever.hpp	100% <ø> (ø)
dart/common/ResourceRetriever.cpp	44.44% <0%> (ø)
dart/utils/PackageResourceRetriever.cpp	89.23% <100%> (ø)
dart/utils/CompositeResourceRetriever.cpp	85.71% <100%> (ø)
dart/dynamics/MeshShape.cpp	61.39% <44.44%> (ø)
dart/common/LocalResourceRetriever.cpp	90% <90%> (ø)
... and 1 more