[ui] Check for the existence of the poses
key in SfM JSON files before accessing it
#2190
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Description
When parsing the input SfM JSON file of a project, there might be some instances where the
poses
key, unlike theviews
andintrinsics
keys, does not exist. If that is the case, an unhandled exception is raised while connections are being made, which then causes issues for the lifetime of the Meshroom instance.This PR checks that the
poses
key exists before trying to access it, which prevents raising unhandled exceptions while the active project is being set up.