Fix bounding box for glbs

[ahcorde]

Signed-off-by: Alejandro Hernández Cordero [email protected]

🦟 Bug fix

Fixes gazebosim/gz-sim#1820

Summary

When loading glbs with ASSIMP are considered meshes with skeleton, this PR add one more check to know if the skeleton has animations, if it has animations then the bouding box it's (-1, -1, -1)(1, 1, 1) otherwise it's the maximum and minimum element of the mesh.

Checklist

• Signed all commits for DCO
• Added tests
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
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[codecov]

Codecov Report

Merging #769 (9c8a220) into gz-rendering7 (04b0f03) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@              Coverage Diff               @@
##           gz-rendering7     #769   +/-   ##
==============================================
  Coverage          75.47%   75.48%           
==============================================
  Files                164      164           
  Lines              14363    14364    +1     
==============================================
+ Hits               10841    10843    +2     
+ Misses              3522     3521    -1     

Impacted Files	Coverage Δ
ogre2/src/Ogre2MeshFactory.cc	80.80% <100.00%> (+0.06%)	⬆️
include/gz/rendering/base/BaseGaussianNoisePass.hh	100.00% <0.00%> (+3.33%)	⬆️

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