Non desired window opening alongside ignition GUI

[ahcorde]

Signed-off-by: ahcorde [email protected]

🦟 Bug fix

Summary

Fix gazebosim/gz-gui#291

Requires a PR in ign-gui6 gazebosim/gz-gui#292

Checklist

• Signed all commits for DCO
• Added tests
• Updated documentation (as needed)
• Updated migration guide (as needed)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• While waiting for a review on your PR, please help review another open pull request to support the maintainers

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[codecov]

Codecov Report

Merging #1063 (8173b16) into main (a452a01) will decrease coverage by 0.00%.
The diff coverage is 25.00%.

@@            Coverage Diff             @@
##             main    #1063      +/-   ##
==========================================
- Coverage   64.06%   64.06%   -0.01%     
==========================================
  Files         255      255              
  Lines       19963    19967       +4     
==========================================
+ Hits        12790    12791       +1     
- Misses       7173     7176       +3     

Impacted Files	Coverage Δ
include/ignition/gazebo/rendering/RenderUtil.hh	100.00% <ø> (ø)
src/rendering/RenderUtil.cc	36.31% <25.00%> (-0.04%)	⬇️

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[chapulina]

Merging it now, but the fix will only take effect once ign-rendering is merged.