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Adds “Create for Isaac Lab” import option to remove worldBody/floor and flatten link hierarchy#9
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louislelay wants to merge 6 commits intoisaac-sim:mainfrom
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This PR adds a new “Create for Isaac Lab” checkbox to the MJCF import UI that, when enabled, omits the default worldBody prim (and any floor associated) and collapses the double-nested folders into a single layer. By default the importer behavior remains unchanged, but checking the new option produces a clean, single-level USD scene that will fixes the import of MJCF robot models for training purposes.
Fixes: isaac-sim/IsaacLab#2147